verb (used with object)

  1. to cut or divide into two equal or nearly equal parts.
  2. Geometry. to cut or divide into two equal parts: to bisect an angle.
  3. to intersect or cross: the spot where the railroad tracks bisect the highway.

verb (used without object)

  1. to split into two, as a road; fork: There’s a charming old inn just before the road bisects.


  1. Also called split. Philately. a portion of a stamp, usually half, used for payment of a proportionate amount of the face value of the whole stamp.


  1. (tr) maths to divide into two equal parts
  2. to cut or split into two

“to cut in two,” 1640s, from Modern Latin bisectus, from Latin bi- “two” (see bi-) + secare “to cut” (see section (n.)). Related: Bisected; bisecting.

  1. To cut or divide into two parts, especially two equal parts.
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