Mathematics and science

• Square (cipher)
  Square (cipher)
  In cryptography, Square is a block cipher invented by Joan Daemen and Vincent Rijmen. The design, published in 1997, is a forerunner to the Rijndael algorithm, which has been adopted as the Advanced Encryption Standard...
  
  , a cryptographic block cipher
• Square (geometry)
  Square (geometry)
  In geometry, a square is a regular quadrilateral. This means that it has four equal sides and four equal angles...
  
  , a regular quadrilateral with four equal sides and four right angles
• Square number
  Square number
  In mathematics, a square number, sometimes also called a perfect square, is an integer that is the square of an integer; in other words, it is the product of some integer with itself...
  
  , an integer that is the square of another integer

Construction

• Square (area), an Imperial unit of floor area and other construction materials
• Square, a public meeting place:
  • Town square
    Town square
    A town square is an open public space commonly found in the heart of a traditional town used for community gatherings. Other names for town square are civic center, city square, urban square, market square, public square, and town green.Most town squares are hardscapes suitable for open markets,...
    
    , an open area commonly found in the heart of a traditional town used for community gatherings
  • Market square
    Market square
    The market square is a feature of many European and colonial towns. It is an open area where market stalls are traditionally set out for trading, commonly on one particular day of the week known as market day....
    
    , an open area where market stalls are traditionally set out for trading
  • Garden square
    Garden square
    A garden square is an open space with buildings surrounding a garden, often located in fashionable urban areas. There are many garden squares in London, England, for example. The large estates in London, e.g., the Bedford Estate in Bloomsbury, included garden squares in their development....
    
    , an open space with buildings surrounding a garden
• Square, a "L" or "T" shaped tool:
  • Combination square
    Combination square
    A combination square is a tool used for multiple purposes in woodworking, stonemasonry and metalworking. It is composed of a ruled blade and one or more interchangeable heads that may be affixed to it...
    
    , a tool with a ruled blade and one or more interchangeable heads
  • Machinist square
    Machinist square
    A machinist square or engineer's square is the metalworkers' equivalent of a try square. It consists of a steel blade inserted and either welded or pinned into a heavier body at an angle of 90°. In the accompanying image, there is evidence of pinning at the intersection of the blade and body: the...
    
    , a metalworking tool used to produce right angles
  • Steel square
    Steel square
    The steel square is a tool that carpenters use. They use many tools to lay out a "square" or right-angle, many of which are made of steel, but the title steel square refers to a specific long-armed square that has additional uses for measurement, especially of angles, as well as simple...
    
    , also called a "framing" or "carpenter's" square, produces right angles
  • Try square
    Try square
    A try-square is a woodworking or a metal working tool used for marking and measuring a piece of wood. The square refers to the tool's primary use of measuring the accuracy of a right angle ; to try a surface is to check its straightness or correspondence to an adjoining surface...
    
    , a woodworking tool for checking right angles
• Square, or quadrature, the process of producing right angles

Entertainment

• Square (album)
  Square (album)
  Square is an album by Buck 65. Though it consists of four tracks, each track consists of multiple songs.This album was nominated for a 2003 Juno Award for Alternative Album Of The Year.-Track listing:# "Square One"- 16:00# "Square Two"- 13:42...
  
  , an album by Buck 65
• Square (band)
  Square (band)
  Square was a musical trio from Lincoln, Nebraska who moved to Southern California in early 2000. It was composed of Sean Beste on vocals and keyboards, James Valentine on guitar, and Ryland Steen on drums. Their sound has been described as including elements of rock, pop, and jazz fusion.The band...
  
  , a musical trio from Lincoln, Nebraska
• "Squares", a song by That Handsome Devil from A City Dressed in Dynamite
  A City Dressed in Dynamite
  A City Dressed in Dynamite is the debut album by That Handsome Devil. It was released in 2008. It was recorded at Cybersound Studios in Boston, Massachusetts. It is darker in tone and content than the band's EP, with some songs dealing explicitly with drug addiction and death. The album includes...
  
  

Companies

• Square (company)
  Square (company)
  was a Japanese video game company founded in September 1983 by Masafumi Miyamoto. It merged with Enix in 2003 and became part of Square Enix...
  
  , former video game company that merged with Enix to become Square Enix
• Square (conglomerate), a Bangladeshi conglomerate of textiles, pharmaceuticals, toiletries, consumer products companies
• Square (payment service)
  Square (payment service)
  Square is an electronic payment service, and the name of the card-reading device it uses. Square allows users in the United States to accept credit cards through their mobile phones, either by swiping the card on the Square device or by manually entering the details on the phone.-Creation:The...
  
  , a service and device that allows credit card payments to be accepted through mobile devices

Square characters and boxes

• Square (character) (■), a written character
• ㅁ, ᆷ, ᄆ (Hangul characters
  Hangul consonant and vowel tables
  The following are tables on the jamo of Hangul consonants and vowels, with the original forms in blue at the first row, and their derivatives in the following rows. They are separated into tables of initials, vowels and finals. Jamo are romanized according to the Revised Romanization's...
  
  )
• ロ (Ro (kana)
  Ro (kana)
  ろ, in hiragana, or ロ in katakana, is one of the Japanese kana, each of which represents one mora. The hiragana is written in one stroke, katakana in three. Both represent the sound and both have origins from the Chinese character 呂...
  
  
• 口, 囗 (Radical 30
  Radical 30
  Radical 30 meaning "mouth" is one of 31 of the 214 Kangxi radicals that are composed of 3 strokes.In the Kangxi Dictionary there are 1,146 characters to be found under this radical.- Characters with Radical 30:- Literature :...
  
  , Kangxi radical
  Radical (Chinese character)
  A Chinese radical is a component of a Chinese character. The term may variously refer to the original semantic element of a character, or to any semantic element, or, loosely, to any element whatever its origin or purpose...
  
  )

Other

• Infantry square
  Infantry square
  An infantry square is a combat formation an infantry unit forms in close order when threatened with cavalry attack.-Very early history:The formation was described by Plutarch and used by the Romans, and was developed from an earlier circular formation...
  
  , a military tactic used by infantry when threatened by cavalry
• Square (astrological aspect), an aspect of 90 degrees
• Square (dessert), a dessert bar with the texture of a firm cake but softer than a cookie
• Square (sailing)
  Square (sailing)
  The term to square a yard is used when sailing a square-rigged ship.To "square a yard" is to lay the yards at right angles to the line of the keel by trimming with the braces.-Explanation:...
  
  , to adjust the position of the yardarms on a square-rigged vessel to a 90 degree angle with the keel
• Square (slang)
  Square (slang)
  Square used as slang may mean many things when referring to a person or in common language.In referring to a person, the word originally meant someone who was honest, traditional and loyal. An agreement that is equitable on all sides is a "square deal"...
  
  , several meanings, such as a person or a cigarette