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

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

Tributary derives its name from First Creek, which bisects the land and will help define the new community, including in its design. — Aldo Svaldi, Denver Post, 15 Sep. 2026

The glow of her computer occasionally caught her sharp cheekbones and bounced off her chin, highlighting the thin tattooed line that bisects it. — Myriam Gurba, Los Angeles Times, 9 Sep. 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