bi·​sect | \ ˈbī-ˌsekt How to pronounce bisect (audio) , bī-ˈsekt \
bisected; bisecting; bisects

Definition of bisect

transitive verb

: to divide into two usually equal parts

Other Words from bisect

bisection \ ˈbī-​ˌsek-​shən How to pronounce bisect (audio) , bī-​ˈsek-​ \ noun
bisectional \ ˈbī-​ˌsek-​shnəl How to pronounce bisect (audio) , -​shə-​nᵊl \ adjective
bisectionally adverb

Synonyms for bisect


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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 fault lines vary in width and don’t always bisect the entire figure. Mark Jenkins, Washington Post, 5 Aug. 2022 One of a series of steep, granite-walled trenches that bisect the northeast face of Britain’s highest mountain, Number Four Gully rises from around 3,051 feet to a ridgeline at 3,871 feet. Simon Akam, Outside Online, 26 Oct. 2017 The pièce de résistance lies beyond the butterfly panels, which bisect to reveal two jewelry case–like displays of beverage accoutrements on the left, and plate/silverware service on the right. Basem Wasef, Robb Report, 23 May 2022 Small dogs have a different experience of the world than big ones; long snouts bisect a dog’s vision in a way that short schnozzes don’t. Katherine J. Wu, The Atlantic, 28 Apr. 2022 Tom Rivera grew up two blocks away in a barrio on the south side of the railroad tracks that bisect the city. Los Angeles Times, 27 Apr. 2022 Some business operators say the shift has created challenges in places where the time zone lines bisect residential and commercial areas. Jaewon Kang, WSJ, 11 Mar. 2022 The road would bisect a roughly Vermont-sized area dotted with cabins and lodges that depend on the remote character of the area, a destination for fishing, hunting, subsistence activities, dog mushing and snowmachining. Zaz Hollander, Anchorage Daily News, 13 Feb. 2022 Two carbon-fiber plates bisect the carbon-fiber tube in a T formation. Adrienne So, Wired, 14 Sep. 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'bisect.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of bisect

circa 1645, in the meaning defined at transitive sense

History and Etymology for bisect

bi- entry 1 + intersect

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Time Traveler for bisect

Time Traveler

The first known use of bisect was circa 1645

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Statistics for bisect

Last Updated

16 Aug 2022

Cite this Entry

“Bisect.” Dictionary, Merriam-Webster, Accessed 18 Aug. 2022.

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More Definitions for bisect


bi·​sect | \ ˈbī-ˌsekt How to pronounce bisect (audio) \
bisected; bisecting

Kids Definition of bisect

1 : to divide into two equal parts
2 : intersect

More from Merriam-Webster on bisect

Nglish: Translation of bisect for Spanish Speakers

Britannica English: Translation of bisect for Arabic Speakers


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