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

• 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

Inver Grove Heights is bisected, north to south, by three major thoroughfares – Highway 52, Cahill Avenue and Concord Boulevard. —Jess Myers, Twin Cities, 9 July 2025

Across Route 66, which bisects the West Side park, a couple people played tennis, a man walked his dog and two nurses from a nearby hospital, dressed in scrubs, chatted during a stroll. —Adriana Pérez, Chicago Tribune, 22 June 2025

But the most exciting new plan for Downtown Orlando promises a bold re-imagining of the eyesore that is I-4, the interstate bisecting the city. —Kelsey Glennon, Southern Living, 5 Mar. 2025

Lawrence showed him a series of complex, bisected 3-D shapes, then reassembled them into weirder shapes. —Sarah Larson, New Yorker, 23 June 2025

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