Definitions of segment

  1. To divide into segments.
  2. To separate or divide into segments: as, a segmented cell.
  3. To divide or separate into parts in growth; to undergo segmentation, or cleavage, as in the segmentation of the ovum.
  4. divide or split up; " The cells segmented"
  5. one of several parts or pieces that fit with others to constitute a whole object; " a section of a fishing rod"; " metal sections were used below ground"; " finished the final segment of the road"
  6. one of the parts into which something naturally divides; " a segment of an orange"
  7. One of the parts into which any body naturally separates or is divided; a part divided or cut off; a section; a portion; as, a segment of an orange; a segment of a compound or divided leaf.
  8. A part cut off from a figure by a line or plane; especially, that part of a circle contained between a chord and an arc of that circle, or so much of the circle as is cut off by the chord; as, the segment acb in the Illustration.
  9. A piece in the form of the sector of a circle, or part of a ring; as, the segment of a sectional fly wheel or flywheel rim.
  10. A segment gear.
  11. One of the cells or division formed by segmentation, as in egg cleavage or in fissiparous cell formation.
  12. One of the divisions, rings, or joints into which many animal bodies are divided; a somite; a metamere; a somatome.
  13. A part divided from the rest of an object: a section; a part cut off from a geometrical figure, especially from a circle, by a line or plane.
  14. A part cut off: a portion: ( geom.) the part of a circle cut off by a straight line: the part of a sphere cut off by a plane.
  15. A part cut off; a section; the part of a circle included within a chord and its arc.
  16. A piece cut off; a part cut off from a figure by a line or plane.
  17. A part cut off or divided; in geom., a part cut off from any figure by a line or plane.
  18. A division formed by cleavage of an ovum ; a part of an animal or of a jointed appendage ; a division of a leaf if cleft nearly to the base.