• Marker (linguistics)
  Marker (linguistics)
  In linguistics, a marker is a free or bound morpheme that indicates the grammatical function of the marked word, phrase, or sentence. In analytic languages and agglutinative languages, markers are generally easily distinguished. In fusional languages and polysynthetic languages, this is often not...
  
  , a morpheme that indicates some grammatical function
• Marker (telecommunications)
  Marker (telecommunications)
  A marker is a type of special purpose control system that was used in electromechanical telephone central office switches. Central office switches are the large devices that telephone companies use to make the connections that support telephone calls...
  
  , a special-purpose computer
• A set of sewing patterns
  Pattern (sewing)
  In sewing and fashion design, a pattern is an original garment from which other garments of a similar style are copied, or the paper or cardboard templates from which the parts of a garment are traced onto fabric before cutting out and assembling .Patternmaking, pattern making or pattern cutting is...
  
   tightly arranged within a rectangle that is placed over cloth to be cut
• Marker (Biology), or biological marker or biomarker, a substance used as an indicator of a biological state
• Genetic marker
  Genetic marker
  A genetic marker is a gene or DNA sequence with a known location on a chromosome that can be used to identify cells, individuals or species. It can be described as a variation that can be observed...
  
  , a DNA sequence with a known location on a chromosome and associated with a particular gene or trait.
• Slang term, denoting a favor or obligation to be called upon.

Other uses

• Historical marker
  Historical marker
  A historical marker or historic marker is an indicator such as a plaque or sign to commemorate an event or person of historic interest and to associate that point of interest with a specific locale one can visit.-Description:...
  
  , a plaque erected at historically significant locations
• Marker pen
  Marker pen
  thumb|MarkerA marker pen, marking pen, felt-tip pen, flow or marker, is a pen which has its own ink-source, and usually a tip made of a porous, pressed fibres; such as felt or nylon.-Permanent marker:...
  
  , a felt-tipped pen used for drawing and/or coloring
• Paintball marker
  Paintball marker
  A paintball marker, also known as a paintball gun, is the main piece of equipment in the sport of paintball. Markers use an expanding gas, such as carbon dioxide or compressed air, to propel paintballs through the barrel. Some paintball players refer to the piece of equipment as a "marker" rather...
  
   or paintball gun, an air gun
• Surface marker buoy
  Surface Marker Buoy
  A surface marker buoy, SMB or simply a blob is an inflatable buoy used by scuba divers, with a line, to indicate the diver's position to their surface safety boat while the diver is underwater.- Standard buoy :...
  
  , to mark a diver's position while underwater
• Marker beacon
  Marker beacon
  A marker beacon is a particular type of VHF radio beacon used in aviation, usually in conjunction with an instrument landing system , to give pilots a means to determine position along an established route to a destination such as a runway...
  
  , a beacon used in aviation
• Casino marker, line of credit extended by a casino or cardroom
• Watch marker, up to twelve of which delineate the hours around a dial
• Clapperboard
  Clapperboard
  A clapperboard is a device used in filmmaking and video production to assist in the synchronizing of picture and sound, and to designate and mark particular scenes and takes recorded during a production...
  
  , equipment used during filming
• Taggant
  Taggant
  A taggant can mean a radio frequency microchip used in automated identification and data capture . In such cases, electronic devices use radio waves to track and identify items, such as pharmaceutical products, by assigning individual serial numbers to the containers holding each product...
  
  , a chemical or physical marker added to materials
• MARKER®, a registered name for investment products in Benelux

Names

• Chris Marker
  Chris Marker
  Chris Marker is a French writer, photographer, documentary film director, multimedia artist and film essayist. His best known films are La jetée , A Grin Without a Cat , Sans Soleil and AK , an essay film on the Japanese filmmaker Akira Kurosawa...
  
   (born 1921), French film maker and director of La jetée
• Russell Earl Marker (1902-1995), American chemist

Culture

• Marker (2005 film), a television film starring Link Baker and Sonja Bennett
• Marker (2008 film), an action movie with Steven Seagal
• Marker (novel)
  Marker (novel)
  Marker is a 2005 thriller novel by Robin Cook.It is a story around mysterious deaths investigated by Jack Stapleton and Laurie Montgomery, characters from previous novels by Cook....
  
  , a thriller novel by Robin Cook
• Marker (TV series)
  Marker (TV series)
  Marker was an American hour long television drama that premiered on the UPN on March 20, 1995. It was set in and filmed in Hawaii.The series focused on Richard DeMorra , a man given a strange inheritance from his late father: markers which were given in the past by his father to those who had...
  
  , a 1995 American drama on UPN