- a line or plane that bisects an angle or line segment.
Origin of bisector
Examples from the Web for bisector
Historical Examples of bisector
The bisector of an angle of a triangle divides the opposite side into segments which are proportional to the adjacent sides.
This proposition enables us to compute the length of a bisector of a triangle if the lengths of the sides are known.
- a straight line or plane that bisects an angle
- a line or plane that bisects another line
1821; agent noun from bisect.