BISECTOR
Meaning of BISECTOR in English
/buy sek"teuhr, buy"sek-/ , n. Geom.
a line or plane that bisects an angle or line segment.
[ 1860-65; BISECT + -OR 2 ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012