Definition: An angle or a line is bisected when they are cut into two equal parts. The line cutting the angle or line into 2 equal parts is referred to as the bisector. To bisect mean to cut into equal parts. The bisector is what does the cutting. In the image, BC is doing the bisecting of angle abd, therefore BC is the bisector as it bisects angle abd.
Also Known As: Divide into 2 equal parts
Common Misspellings: bysector