bisector
/ˈbɪsɛktər/Definitions
1. noun
A line or plane that divides an angle into two equal parts or a point that divides a line into two equal parts.
“The angle bisector theorem states that the angle bisector of an angle in a triangle divides the opposite side into segments that are proportional to the adjacent sides.”
2. verb
To divide (an angle or a line) into two equal parts, especially by a plane or line.
“The architect bisected the room to create two separate areas for different activities.”