Definify.com
Webster 1913 Edition
Bisect
Bisect′
,Verb.
T.
[
imp. & p. p.
Bisected
; p. pr. & vb. n.
Bisecting
.] [L.
bis
twice + secare
, sectum
, to cut.] 1.
To cut or divide into two parts.
2.
(Geom.)
To divide into two equal parts.
Webster 1828 Edition
Bisect
BISECT'
,Verb.
T.
To cut or divide into two parts. In geometry, one line bisects another when it crosses it, leaving an equal part of the line on each side of the point where it is crossed.
Definition 2023
bisect
bisect
English
Verb
bisect (thirdperson singular simple present bisects, present participle bisecting, simple past and past participle bisected)
 To cut or divide into two parts.
 (geometry) To divide an angle, line segment, or other figure into two equal parts.
Translations
geometry: to divide an angle, line segment or other figure into two equal parts

Noun
bisect (plural bisects)
 (geometry) A bisector, which divides into two equal parts.
 (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.
Translations
geometry: a bisector
philately: an envelope or card