Definition of "bisect"

bisect

/baɪˈsɛkt/

verb
third-person singular simple present bisects, present participle bisecting, simple past and past participle bisected
1. (transitive) To cut or divide into two parts.
  Quotations
  The quadrennial period of games and festivals in Greece was probably arrived at by bisecting an older octennial period.
  1911, James George Frazer, The Golden Bough, volume 7, page 84
  1. (transitive, geometry) To divide an angle, line segment, or other figure into two equal parts.
  2. (computing) To perform a binary search on files in source control in order to identify the specific change that introduced a bug etc.
noun
plural bisects
1. (geometry) A bisector, which divides into two equal parts.
2. (philately) An envelope, card, or fragment thereof showing an affixed cut half of a regular issued stamp, over which one or more postal markings have been applied. Typically used in wartime when normal lower rate stamps may not be available.