Segment may mean:

  • The divisions found in the internal section of a citrus fruit
  • Market segment, the smaller subgroups comprising a market


  • Segmentation (memory), the division of computer memory into segments
  • Image segment created in computer vision
  • String segment, the substring of a pattern delimited by two don't cares or one don't care and beginning or end of the pattern
  • Network segment, a part of a larger computer network
  • A protocol data unit of the transport layer in computing, e.g. TCP segment


  • Line segment, part of a line that is bounded by two end points
  • Circular segment, the area which is "cut off" from the rest of the circle by a secant or a chord
  • Spherical segment, is a portion of a sphere cut off by a pair of parallel planes


  • Segmentation (biology), a repeated part of the metazoan body
  • Segment (linguistics), a discrete unit of speech
  • Segment (rocketry), a controlled rocket motor burn of specified duration