bisect

verb

bi·​sect ˈbī-ˌsekt 

bī-ˈsekt

bisected; bisecting; bisects

transitive verb

: to divide into two usually equal parts

intransitive verb

: cross, intersect

bisection

ˈbī-ˌsek-shən 

bī-ˈsek-

noun

bisectional

ˈbī-ˌsek-sh(ə-)nəl 

adjective

bisectionally adverb

Synonyms of bisect

• intersect
• cross

Examples of bisect in a Sentence

Draw a line that bisects the angle.

The city is bisected by the highway.

Recent Examples on the Web

Seoul says Pyongyang has sent up to 7,000 workers to the border this year, with about 50 crossings of the Military Demarcation Line, which bisects the DMZ, to South Korea’s side of the border. — Reuters, NBC news, 21 Oct. 2026

Seoul says Pyongyang has sent up to 7,000 workers to the border this year, with about 50 ​crossings of the ​Military Demarcation Line, ⁠which bisects the DMZ, to South Korea’s side of the border. — Reuters, CNN Money, 21 Oct. 2026

The building’s three lower floors, including a ground-floor shop, caved in before dawn in the district of Maltepe, on the Asian side of Istanbul, a city that is bisected by the Bosporus Strait. — ABC News, 8 Oct. 2026

That has severely disrupted daily life in Ukraine’s largest city, which, like much of the country, is bisected by the broad Dnipro River. — Constant Méheut, New York Times, 3 Oct. 2026

Word History

Etymology

bi- entry 1 + intersect

First Known Use

circa 1645, in the meaning defined at transitive sense

Rhymes for bisect

• affect
• aspect
• bedecked
• collect
• connect
• correct
• deflect
• detect
• direct
• dissect
• effect
• eject

Kids Definition

bisect

verb

bi·​sect ˈbī-ˌsekt 

bī-ˈsekt

1

: to divide into two usually equal parts

2

: intersect sense 1, cross