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Definition of bisector

bisector

/baɪˈsɛk.tɚ/
bi · sec · tor
Plural:bisectors
•
Adjective:bisectorial
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bisector Lexical Profile

bisector Game Scores & Validity

• noun

1

A straight line, ray, or plane that divides a geometrical figure, such as an angle or a line segment, into two equal parts.

Example

"The geometry students used a compass and a straightedge to construct the perpendicular bisector of the line segment."

Synonyms
View all synonyms for bisector

• Rhymes for bisector

• Nearby Words

biscotti
biscuit
bisect
bisector
bisectrix
bisexual
bisexuality

Word Origin & Etymology

Formed in the mid-19th century from the verb 'bisect' and the agentive suffix '-or', ultimately deriving from the Latin prefix 'bi-' (meaning 'two') and 'secare' (meaning 'to cut').

Cite this Entry

Wordmom. (2026). Definition of Bisector. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/bisector
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