Glossary of shapes with metaphorical names

Many shapes have metaphorical names, i.e., their names are metaphor

Metaphor

A metaphor is a literary figure of speech that uses an image, story or tangible thing to represent a less tangible thing or some intangible quality or idea; e.g., "Her eyes were glistening jewels." Metaphor may also be used for any rhetorical figures of speech that achieve their effects via...

s: these shape

Shape

The shape of an object located in some space is a geometrical description of the part of that space occupied by the object, as determined by its external boundary – abstracting from location and orientation in space, size, and other properties such as colour, content, and material...

s are named after a most common object that has it. For example, "U-shape" is a shape that resembles the letter U

U is the twenty-first letter and a vowel in the basic modern Latin alphabet.-History:The letter U ultimately comes from the Semitic letter Waw by way of the letter Y. See the letter Y for details....

, a bell-shaped curve has the shape of the vertical cross-section of a bell

Bell (instrument)

A bell is a simple sound-making device. The bell is a percussion instrument and an idiophone. Its form is usually a hollow, cup-shaped object, which resonates upon being struck...

, etc.

These terms may variously refer to objects, their cross section

Cross section (geometry)

In geometry, a cross-section is the intersection of a figure in 2-dimensional space with a line, or of a body in 3-dimensional space with a plane, etc...

s or projection

Projection (mathematics)

Generally speaking, in mathematics, a projection is a mapping of a set which is idempotent, which means that a projection is equal to its composition with itself. A projection may also refer to a mapping which has a left inverse. Bot notions are strongly related, as follows...

s.

Some of these names are "classical terms", i.e., words of Latin

Latin

Latin is an Italic language originally spoken in Latium and Ancient Rome. It, along with most European languages, is a descendant of the ancient Proto-Indo-European language. Although it is considered a dead language, a number of scholars and members of the Christian clergy speak it fluently, and...

or Ancient Greek

Ancient Greek

Ancient Greek is the stage of the Greek language in the periods spanning the times c. 9th–6th centuries BC, , c. 5th–4th centuries BC , and the c. 3rd century BC – 6th century AD of ancient Greece and the ancient world; being predated in the 2nd millennium BC by Mycenaean Greek...

etymology

Etymology

Etymology is the study of the history of words, their origins, and how their form and meaning have changed over time.For languages with a long written history, etymologists make use of texts in these languages and texts about the languages to gather knowledge about how words were used during...

. Others are English language

English language

English is a West Germanic language that arose in the Anglo-Saxon kingdoms of England and spread into what was to become south-east Scotland under the influence of the Anglian medieval kingdom of Northumbria...

constructs (although the base words may have non-English etymology). In some disciplines, where shapes of subjects in question are a very important consideration, the shape naming may be quite elaborate, see, e.g., the taxonomy of shapes

Leaf shape

In botany, leaf shape is characterised with the following terms :* Acicular : Slender and pointed, needle-like* Acuminate : Tapering to a long point...

of plant

Plant

Plants are living organisms belonging to the kingdom Plantae. Precise definitions of the kingdom vary, but as the term is used here, plants include familiar organisms such as trees, flowers, herbs, bushes, grasses, vines, ferns, mosses, and green algae. The group is also called green plants or...

leaves

Leaves

-History:Vocalist Arnar Gudjonsson was formerly the guitarist with Mower, and he was joined by Hallur Hallsson , Arnar Ólafsson , Bjarni Grímsson , and Andri Ásgrímsson . Late in 2001 they played with Emiliana Torrini and drew early praise from the New York Times...

in botany

Botany

Botany, plant science, or plant biology is a branch of biology that involves the scientific study of plant life. Traditionally, botany also included the study of fungi, algae and viruses...

Astroid
Bell-shaped curve
Biconic shape, a shape in a way opposite to the hourglass: it is based on two oppositely oriented cone
Cone (geometry)
A cone is an n-dimensional geometric shape that tapers smoothly from a base to a point called the apex or vertex. Formally, it is the solid figure formed by the locus of all straight line segments that join the apex to the base...

s or truncated cones with their bases joined. The cones are not necessarily the same.
- Bowtie shape, in two dimensions
- Atmospheric reentry apparatus
- Centerbody of an inlet cone
  Inlet cone
  Inlet cones are a component of some supersonic aircraft. They are primarily used on ramjets, such as the turboramjets of the SR-71 or the pure ramjets of the D-21 Tagboard and Lockheed X-7...
  
  in ramjet
  Ramjet
  A ramjet, sometimes referred to as a stovepipe jet, or an athodyd, is a form of airbreathing jet engine using the engine's forward motion to compress incoming air, without a rotary compressor. Ramjets cannot produce thrust at zero airspeed and thus cannot move an aircraft from a standstill...
  
  s
Bow shape
- Bow curve
  Bow curve
  thumb|A bow curveIn mathematics, the bow curve is a quartic plane curve with the equation:x^4=x^2y-y^3. \,The bow curve has a single triple point at x=0, y=0, and consequently is a rational curve, with genus zero....
Bullet Nose†, an open-ended hourglass
Butterfly curve†
Cocked Hat curve, also known as Bicorn†
Cone
Cone (geometry)
A cone is an n-dimensional geometric shape that tapers smoothly from a base to a point called the apex or vertex. Formally, it is the solid figure formed by the locus of all straight line segments that join the apex to the base...

(from the Greek word for « pine cone »)
Egg-shaped, see "Oval", below
Fish bladder
Vesica piscis
The vesica piscis is a shape that is the intersection of two circles with the same radius, intersecting in such a way that the center of each circle lies on the circumference of the other. The name literally means the "bladder of a fish" in Latin...

or Lens shape (the latter taking its name from the shape of the lentil
Lentil
The lentil is an edible pulse. It is a bushy annual plant of the legume family, grown for its lens-shaped seeds...

seed)
Geoid
Geoid
The geoid is that equipotential surface which would coincide exactly with the mean ocean surface of the Earth, if the oceans were in equilibrium, at rest , and extended through the continents . According to C.F...

(From Greek Ge (γη) for "Earth
Earth
Earth is the third planet from the Sun, and the densest and fifth-largest of the eight planets in the Solar System. It is also the largest of the Solar System's four terrestrial planets...

"), the term specifically introduced to denote the approximation of the shape of the Earth
Earth
Earth is the third planet from the Sun, and the densest and fifth-largest of the eight planets in the Solar System. It is also the largest of the Solar System's four terrestrial planets...

, which is approximately spherical, but not exactly so
Figure of the Earth
The expression figure of the Earth has various meanings in geodesy according to the way it is used and the precision with which the Earth's size and shape is to be defined. The actual topographic surface is most apparent with its variety of land forms and water areas. This is, in fact, the surface...

.
Heart shape, long been used for its varied symbolism
Hourglass shape or hourglass figure, the one that resembles an hourglass
Hourglass
An hourglass measures the passage of a few minutes or an hour of time. It has two connected vertical glass bulbs allowing a regulated trickle of material from the top to the bottom. Once the top bulb is empty, it can be inverted to begin timing again. The name hourglass comes from historically...

. If one takes two copies of a shape wide at one end that narrows to the other end and connects them symmetrically by the narrow ends, the resulting shape is usually called an "hourglass shape". In other words, an hourglass shape is a (nearly) symmetric shape wide at its ends and narrow in the middle. Some flat shapes may be alternatively compared to the figure eight or hourglass. The classical female body shape
Female body shape
Female body shape or figure is the cumulative product of a woman's skeletal structure and the quantity and distribution of muscle and fat on the body. There are, and have been, wide differences on what should be considered an ideal or preferred body shape, both for attractiveness and for health...

is often compared to an hourglass.
- Dog bone shape, an hourglass with rounded ends†
- Hourglass corset
  Hourglass corset
  The hourglass corset produces a silhouette resembling the hourglass shape: wide bottom, narrow waist , wide top.-History:The first fashions worn with hourglass corsets, around 1830, emphasized width - they tended to have very wide skirts, large sleeves and sloping shoulders. These elements...
- Ntama
- Hourglass Nebula
  Hourglass Nebula
  The Engraved Hourglass Nebula is a young planetary nebula situated in the southern constellation Musca about 8,000 light-years away from Earth. It was discovered by Annie Jump Cannon and Margaret W. Mayall during their work on an extended Henry Draper Catalogue...
Inverted bell
Inverted bell
The inverted bell is a metaphorical name for geometric shape that resembles a bell upside down.In architecture, the term is applied, e.g., to describe the shape of the capitals of Corinthian columns....
Lune
Lune
Lune or Luna is a poetic name for Earth's Moon. Lune is French for Moon. Luna is Latin for Moon.It may also refer to:* Rivers:** River Lune in Lancashire and Cumbria, England** River Lune in England...

, from the Latin word for the Moon
Maltese Cross curve†
Mushroom shape, which became infamous as a result of the mushroom cloud
Mushroom cloud
A mushroom cloud is a distinctive pyrocumulus mushroom-shaped cloud of condensed water vapor or debris resulting from a very large explosion. They are most commonly associated with nuclear explosions, but any sufficiently large blast will produce the same sort of effect. They can be caused by...

.
Oval
Oval (geometry)
In technical drawing, an oval is a figure constructed from two pairs of arcs, with two different radii . The arcs are joined at a point, in which lines tangential to both joining arcs lie on the same line, thus making the joint smooth...

(from the Latin "ovum" for « egg »
Egg (biology)
An egg is an organic vessel in which an embryo first begins to develop. In most birds, reptiles, insects, molluscs, fish, and monotremes, an egg is the zygote, resulting from fertilization of the ovum, which is expelled from the body and permitted to develop outside the body until the developing...

), a descriptive term applied to several kinds of "rounded" shapes, including the egg shape
Pear shaped
Pear shaped
Pear-shaped is a metaphorical term with several meanings, all in reference to the shape of a pear, i.e. tapering towards the top and rounded at the bottom....

, in reference to the shape of a pear
Pear
The pear is any of several tree species of genus Pyrus and also the name of the pomaceous fruit of these trees. Several species of pear are valued by humans for their edible fruit, but the fruit of other species is small, hard, and astringent....

, i.e., a generally rounded shape, tapered towards the top and more spherical/circular at the bottom. The term acquired a number of metaphorical meanings.
Rod
Rod (geometry)
In geometry, a rod is a three-dimensional, solid cylinder....

, a 3-dimension
Dimension
In physics and mathematics, the dimension of a space or object is informally defined as the minimum number of coordinates needed to specify any point within it. Thus a line has a dimension of one because only one coordinate is needed to specify a point on it...

al, solid
Solid
Solid is one of the three classical states of matter . It is characterized by structural rigidity and resistance to changes of shape or volume. Unlike a liquid, a solid object does not flow to take on the shape of its container, nor does it expand to fill the entire volume available to it like a...

(filled) cylinder
Cylinder (geometry)
A cylinder is one of the most basic curvilinear geometric shapes, the surface formed by the points at a fixed distance from a given line segment, the axis of the cylinder. The solid enclosed by this surface and by two planes perpendicular to the axis is also called a cylinder...

.
- Rod shaped bacteria
  Bacillus
  Bacillus is a genus of Gram-positive, rod-shaped bacteria and a member of the division Firmicutes. Bacillus species can be obligate aerobes or facultative anaerobes, and test positive for the enzyme catalase. Ubiquitous in nature, Bacillus includes both free-living and pathogenic species...
Scarabaeus curve†, resembling a scarab
serpentine
Serpentine shape
Serpentine refers to the curved shape of an object or design which resembles the letter s, a sine wave or a snake; the latter is the derivation of the term.- Examples :* The Serpentine River...

, shaped like a snake
Stadium, two half-circles joined by straight sides†
Stirrup curve†
Sunburst
Sunburst (design)
A Sunburst is a design or figure commonly used in architectural ornaments and design patterns. It consists of rays or "beams" radiating out from a central disk in the manner of sunbeams. Sometimes part of a sunburst, a semicircular or semi-elliptical shape, is used...
Tomahawk

Numbers and letters

Figure 8
Figure 8
Figure 8 may refer to:* 8 , in Arabic numeralsIn entertainment* Figure 8 , by American singer-songwriter Elliott Smith* "Figure of Eight" from the album Flowers in the Dirt by Paul McCartney...

, called a lemniscate
Lemniscate
In algebraic geometry, a lemniscate refers to any of several figure-eight or ∞ shaped curves. It may refer to:*The lemniscate of Bernoulli, often simply called the lemniscate, the locus of points whose product of distances from two foci equals the square of half the interfocal distance*The...

in geometry, symbol for infinity when laid on its side
A-shape, the shape that resembles the capital letter A
A
A is the first letter and a vowel in the basic modern Latin alphabet. It is similar to the Ancient Greek letter Alpha, from which it derives.- Origins :...
- A-Frame
  A-Frame
  An A-frame is a basic structure designed to bear a load in a lightweight economical manner. The simplest form of an A-frame is two similarly sized beams, arranged in a 45-degree or greater angle, attached at the top...
  
  , the shape of a common structure that resembles the capital letter A
  A
  A is the first letter and a vowel in the basic modern Latin alphabet. It is similar to the Ancient Greek letter Alpha, from which it derives.- Origins :...
- A-Frame house
  A-Frame house
  An A-frame is an architectural house style featuring steeply-angled sides that usually begin at or near the foundation line, and meet at the top in the shape of the letter A...
  
  , a common style of house construction
- A-shirt
C-shape, the shape that resembles the capital letter C
C
Ĉ or ĉ is a consonant in Esperanto orthography, representing the sound .Esperanto orthography uses a diacritic for all four of its postalveolar consonants, as do the Latin-based Slavic alphabets...
D-shape, the shape that resembles the capital letter D
D
D is the fourth letter in the basic modern Latin alphabet.- History :The Semitic letter Dâlet may have developed from the logogram for a fish or a door. There are various Egyptian hieroglyphs that might have inspired this. In Semitic, Ancient Greek, and Latin, the letter represented ; in the...
- D-ring
  D-ring
  A D-ring is an item of hardware, usually a metal ring shaped like the letter D. It may be used at the end of a leather or fabric strap, or may be secured to a surface with a metal or fabric strap...
Deltoid, the shape that resembles the Greek capital letter Δ
- Deltahedron
  Deltahedron
  A deltahedron is a polyhedron whose faces are all equilateral triangles. The name is taken from the Greek majuscule delta , which has the shape of an equilateral triangle. There are infinitely many deltahedra, but of these only eight are convex, having 4, 6, 8, 10, 12, 14, 16 and 20 faces...
- Deltoid muscle
  Deltoid muscle
  In human anatomy, the deltoid muscle is the muscle forming the rounded contour of the shoulder. Anatomically, it appears to be made up of three distinct sets of fibers though electromyography suggests that it consists of at least seven groups that can be independently coordinated by the central...
- River delta
  River delta
  A delta is a landform that is formed at the mouth of a river where that river flows into an ocean, sea, estuary, lake, reservoir, flat arid area, or another river. Deltas are formed from the deposition of the sediment carried by the river as the flow leaves the mouth of the river...
E-shape, the shape that resembles the capital letter E
E
E is the fifth letter and a vowel in the basic modern Latin alphabet. It is the most commonly used letter in the Czech, Danish, Dutch, English, French, German, Hungarian, Latin, Norwegian, Spanish, and Swedish languages.-History:...
- Magnetic core
  Magnetic core
  A magnetic core is a piece of magnetic material with a high permeability used to confine and guide magnetic fields in electrical, electromechanical and magnetic devices such as electromagnets, transformers, electric motors, inductors and magnetic assemblies. It is made of ferromagnetic metal such...
  
  s of transformer
  Transformer
  A transformer is a device that transfers electrical energy from one circuit to another through inductively coupled conductors—the transformer's coils. A varying current in the first or primary winding creates a varying magnetic flux in the transformer's core and thus a varying magnetic field...
  
  s may be E-shaped
- A number of notable buildings have an E-shaped floorplan
H-shape, the shape that resembles the capital letter H
H
H .) is the eighth letter in the basic modern Latin alphabet.-History:The Semitic letter ⟨ח⟩ most likely represented the voiceless pharyngeal fricative . The form of the letter probably stood for a fence or posts....
- H-beam, a beam
  Beam (structure)
  A beam is a horizontal structural element that is capable of withstanding load primarily by resisting bending. The bending force induced into the material of the beam as a result of the external loads, own weight, span and external reactions to these loads is called a bending moment.- Overview...
  
  with H-shaped section
- Goal
  Goal (sport)
  Goal refers to a method of scoring in many sports. It can also refer to the physical structure or area of the playing surface where scoring occurs....
  
  s in several sports (gridiron football
  Gridiron football
  Gridiron football , sometimes known as North American football, is an umbrella term for related codes of football primarily played in the United States and Canada. The predominant forms of gridiron football are American football and Canadian football...
  
  (old style), Gaelic football
  Gaelic football
  Gaelic football , commonly referred to as "football" or "Gaelic", or "Gah" is a form of football played mainly in Ireland...
  
  , rugby
  Rugby football
  Rugby football is a style of football named after Rugby School in the United Kingdom. It is seen most prominently in two current sports, rugby league and rugby union.-History:...
  
  , hurling
  Hurling
  Hurling is an outdoor team game of ancient Gaelic origin, administered by the Gaelic Athletic Association, and played with sticks called hurleys and a ball called a sliotar. Hurling is the national game of Ireland. The game has prehistoric origins, has been played for at least 3,000 years, and...
  
  ) are described as "H-shaped"
I-shape, the shape that resembles the capital letter I
I
I is the ninth letter and a vowel in the basic modern Latin alphabet.-History:In Semitic, the letter may have originated in a hieroglyph for an arm that represented a voiced pharyngeal fricative in Egyptian, but was reassigned to by Semites, because their word for "arm" began with that sound...

in a serif font, i.e., with horizontal strokes
- -beam
  I-beam
  -beams, also known as H-beams, W-beams , rolled steel joist , or double-T are beams with an - or H-shaped cross-section. The horizontal elements of the "" are flanges, while the vertical element is the web...
  
  , a beam with an -shaped section
- The court in the Mesoamerican ballgame
  Mesoamerican ballgame
  The Mesoamerican ballgame or Tlatchtli in Náhuatl was a sport with ritual associations played since 1,000 B.C. by the pre-Columbian peoples of Ancient Mexico and Central America...
  
  is I-shaped
J-shape, the shape that resembles the capital letter J
J
Ĵ or ĵ is a letter in Esperanto orthography representing the sound .While Esperanto orthography uses a diacritic for its four postalveolar consonants, as do the Latin-based Slavic alphabets, the base letters are Romano-Germanic...
K-shape, the shape that resembles the capital letter K
K
K is the eleventh letter of the English and basic modern Latin alphabet.-History and usage:In English, the letter K usually represents the voiceless velar plosive; this sound is also transcribed by in the International Phonetic Alphabet and X-SAMPA....
- K Turn
  Turning in the road
  In driving unarticulated wheeled vehicles with reversible propulsion systems, turning in the road is a category of maneuvers, each reversing a vehicle's direction of travel along a road, with neither the use of any intersections nor leaving the right-of-way....
L-shape, the shape that resembles the capital letter L
L
Ł or ł, described in English as L with stroke, is a letter of the Polish, Kashubian, Sorbian, Łacinka , Łatynka , Wilamowicean, Navajo, Dene Suline, Inupiaq, Zuni, Hupa, and Dogrib alphabets, several proposed alphabets for the Venetian language, and the ISO 11940 romanization of the Thai alphabet...
- The L-Shaped Room
  The L-Shaped Room
  The L-Shaped Room is a 1962 British drama film, directed by Bryan Forbes, which tells the story of a young French woman, unmarried and pregnant, who moves into a London boarding house, befriending a young man in the building...
- L game
  L game
  The L game is a simple strategic game invented by Edward de Bono.The L game is a two-player turn-based game played on a board of 4×4 squares. Each player has a 3×2 L-shaped piece, and there are two 1×1 neutral pieces. On each turn, a player first must move their L piece, and then...
- L-shaped recession
N-shape, the shape that resembles the capital letter N
N
N is the fourteenth letter in the basic modern Latin alphabet.- History of the forms :One of the most common hieroglyphs, snake, was used in Egyptian writing to stand for a sound like English ⟨J⟩, because the Egyptian word for "snake" was djet...

(interchangeable with the Z-shape)
O-shape, the shape that resembles the capital letter O
O
O is the fifteenth letter and a vowel in the basic modern Latin alphabet.The letter was derived from the Semitic `Ayin , which represented a consonant, probably , the sound represented by the Arabic letter ع called `Ayn. This Semitic letter in its original form seems to have been inspired by a...
- O-ring
  O-ring
  An O-ring, also known as a packing, or a toric joint, is a mechanical gasket in the shape of a torus; it is a loop of elastomer with a disc-shaped cross-section, designed to be seated in a groove and compressed during assembly between two or more parts, creating a seal at the interface.The O-ring...
P-shape, the shape that resembles the capital letter P
P
P is the sixteenth letter of the basic modern Latin alphabet.-Usage:In English and most other European languages, P is a voiceless bilabial plosive. Both initial and final Ps can be combined with many other discrete consonants in English words...
- P-trap, a P-shaped pipe under a sink or basin
S-shape, the shape that resembles the capital letter S
S
S is the nineteenth letter in the ISO basic Latin alphabet.-History: Semitic Šîn represented a voiceless postalveolar fricative . Greek did not have this sound, so the Greek sigma came to represent...
- The sigmoid colon
  Sigmoid colon
  The sigmoid colon is the part of the large intestine that is closest to the rectum and anus. It forms a loop that averages about 40 cm...
  
  , an S-shaped bend in the human intestine
T-shape, the shape that resembles the capital letter T
T
T is the 20th letter in the basic modern Latin alphabet. It is the most commonly used consonant and the second most common letter in the English language.- History :Taw was the last letter of the Western Semitic and Hebrew alphabets...
- T junction
- T-shaped (chemistry)
- T-shaped skills
  T-shaped skills
  The concept of T-shaped skills, or T-shaped persons is a metaphor used in job recruitment to describe the abilities of persons in the workforce...
  
  , a format for résumés
- T-shirt
  T-shirt
  A T-shirt is a style of shirt. A T-shirt is buttonless and collarless, with short sleeves and frequently a round neck line....
U-shape, the shape that resembles the capital letter U
U
U is the twenty-first letter and a vowel in the basic modern Latin alphabet.-History:The letter U ultimately comes from the Semitic letter Waw by way of the letter Y. See the letter Y for details....
- U-shaped valley
  U-shaped valley
  A U-shaped valley also known as a glacial trough is one formed by the process of glaciation. It has a characteristic U-shape, with steep, straight sides, and a flat bottom. Glaciated valleys are formed when a glacier travels across and down a slope, carving the valley by the action of scouring...
- U-turn
- U-shaped recession
Hyoid, the shape that resembles the Greek letter υ
- Hyoid bone
  Hyoid bone
  The hyoid bone is a horseshoe-shaped bone situated in the anterior midline of the neck between the chin and the thyroid cartilage. At rest, it lies at the level of the base of the mandible in the front and the third cervical vertebra behind.Unlike other bones, the hyoid is only distantly...
V-shape, the shape that resembles the letter V
V
V is the twenty-second letter in the basic modern Latin alphabet.-Letter:The letter V comes from the Semitic letter Waw, as do the modern letters F, U, W, and Y. See F for details....

, also known as the Chevron (which includes the inverted-V shape)
- V-shaped valley
- V-shaped recession
- V-shaped body
  Body shape
  Human body shape is a complex phenomenon with sophisticated detail and function. The general shape or figure of a person is defined mainly by skeletal structure, muscles and fat...
  
  - Male human body shape with broad shoulders.
- V-shaped passage grave
  V-shaped passage grave
  V-shaped passage graves are a type of megalithic chamber tomb found in parts of Atlantic Europe including Ireland and the Channel Islands. They date to between 3500 and 2500BC....
- V sign
  V sign
  The V sign is a hand gesture in which the index and middle fingers are raised and parted, while the other fingers are clenched. It has various meanings, depending on the cultural context and how it is presented...
W-shape, the shape that resembles the capital letter W
W
W is the 23rd letter in the basic modern Latin alphabet.In other Germanic languages, including German, its pronunciation is similar or identical to that of English V...
- W-shaped recession
X-shape, the shape that resembles the letter X
X
X is the twenty-fourth letter in the basic modern Latin alphabet.-Uses:In mathematics, x is commonly used as the name for an independent variable or unknown value. The usage of x to represent an independent or unknown variable can be traced back to the Arabic word šay شيء = “thing,” used in Arabic...
Chiasm
Chiasm
Chiasm may refer to:* Chiasm , an electronic music project by Emileigh Rohn* Optic chiasm, the part of the brain where the optic nerves partially cross...

, crossings that resemble the Greek letter Χ
- Chiasmus
  Chiasmus
  In rhetoric, chiasmus is the figure of speech in which two or more clauses are related to each other through a reversal of structures in order to make a larger point; that is, the clauses display inverted parallelism...
- Chiastic stricture
- Optic chiasm
  Optic chiasm
  The optic chiasm or optic chiasma is the part of the brain where the optic nerves partially cross...

Y-shape, the shape that resembles the letter Y

Y is the twenty-fifth letter in the basic modern Latin alphabet and represents either a vowel or a consonant in English.-Name:In Latin, Y was named Y Graeca "Greek Y". This was pronounced as I Graeca "Greek I", since Latin speakers had trouble pronouncing , which was not a native sound...

- Y-front briefs

Numbers and letters

See also