from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Something that bisects, especially a ray that bisects an angle.

from The Century Dictionary.

  • noun A line drawn through the vertex of a triangle so as to bisect either the opposite side (bisector of the side) or the angle (bisector of the angle, or internal bisector), or to bisect the external angle formed by the adjacent sides (external bisector).

from the GNU version of the Collaborative International Dictionary of English.

  • noun One who, or that which, bisects; esp. (Geom.) a straight line which bisects an angle.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun geometry A line or curve that bisects or divides a line segment, angle, or other figure into two equal parts.


from Wiktionary, Creative Commons Attribution/Share-Alike License

bisect +‎ -or



Log in or sign up to get involved in the conversation. It's quick and easy.