Line, lines or LINE may refer to:

Science and technology


  • Lineage (evolution), a sequence of species that form a line of descent
  • Inbred line, either of:
    • Inbred strain or linear organisms, model organisms that are nearly genetically identical and are used in laboratories
    • Products of line breeding, a technique in animal and plant agriculture and horticulture
  • Long interspersed nuclear element, a DNA sequence of two non-overlapping reading frames, accounting for 21% of human DNA

Computing and telecommunications

Health and medicine

Mathematics and geometry

  • Line (geometry), a concept which includes, but is not limited to, an infinitely-extended one-dimensional figure with no curvature
  • Line (unit), an obsolete unit of length equal to one-twelfth or one-tenth of an inch


  • Former name of the unit of magnetic flux, the Maxwell

Arts and entertainment

Clothing and fashion

  • Lining (sewing), an inner layer of fabric or other material inserted into clothing and similar items
  • Fashion line, a clothing subsidiary that designs and sells garments according to a specific ethos
  • Style line, a line or curve in a garment that has a visual effect
    • Empire line, a style in women's clothing in which the dress has a fitted bodice ending just below the bust
    • A-line (clothing), a style of skirt or dress

Film, television, and theatre


  • Line (poetry), the fundamental unit of poetic composition
  • Line (comics), a term to describe a subset of comic book series by a publisher
  • A line of text in typography
  • A sentence (or fragment) to be spoken by an actor, in a script or screenplay

Titled works


  • Line (melody), a linear succession of musical tones that the listener perceives as a single entity
  • Line (music) or part, a strand or melody of music played by an individual instrument or voice
  • Line (singer) (born 1996), a Danish singer and finalist in the Danish X Factor



Other uses in arts and entertainment


  • Line function, primary business activity that negatively affects income if interrupted
  • Product lining, offering several related products for sale individually




  • Lines, Norway, an island in the municipality of Åfjord in Sør-Trøndelag county, Norway
  • Line Islands, an island group in the central Pacific


  • Line (ice hockey), a group of forwards that play in a group, or "shift", during a game
  • Line and length, direction and point of bouncing on the pitch of a delivery in cricket
  • Fishing line, a cord used or made for angling
  • Kite line, twine or specialized line for flying kites
  • Money line, in wagering, odds on the outcome of a game with no consideration to a point spread
  • Racing line, in auto racing, a path taken through a corner
  • Lineman (American football), a player who specializes in play at the line of scrimmage
  • Line of scrimmage, in American and Canadian football, the divider between the offense and defense at the start of a play


  • Airline, a company that provides air transport services for traveling passengers and freight
  • Log-line, in nautical usage, a piece of rope which has been assigned a function
  • Shipping line, a company engaged in sea transport
  • Waterline, the line where the hull of a ship meets the surface of the water
  • Railway line, a railway route or service

Other uses

See also