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

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Other Words from bisect

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

Synonyms for bisect


cross, cut, intersect

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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

Ax murder In the summer of 1976, two American soldiers were hacked to death by ax-wielding North Korean soldiers during a fight over U.S. efforts to trim a poplar tree at Demilitarized Zone that bisects the Koreas. Time, "From Spy Games to Summits, Here Are 10 Historic Moments in U.S.-North Korean Relations," 11 June 2018 Alan Slatin, general manager of Exmoor Country Club, said the Vine Avenue entrance bisects a portion of the course and spectator traffic would be disruptive to play. Karen Berkowitz,, "Highwood traffic disruptions expected during Senior Players Championship at Exmoor Country Club," 3 July 2018 In September, planning group member Jim Cooper said the extension would bisect a steep hill and one of the plans would create steep ramps for the driveways along what is now a private dirt road. Julie Gallant, Ramona Sentinel, "Planners hear concerns about Cumming Ranch project; committee may reconsider road extension," 10 Jan. 2018 This involves two large trampolines, bisected by a grey divider wall. Misha Berson, The Seattle Times, "In Cirque du Soleil’s ‘Volta,’ acro-bicyclists soar and an aerialist hovers in the air by her hair," 18 Sep. 2018 The cover offers a portrait of the author as a fragile, dark-eyed beauty, her face bisected by a nasal cannula, and the book sustains a note of ambiguous unease. Lidija Haas, The New Yorker, "Memoirs of Disease and Disbelief," 17 June 2014 Length: 53 miles | Region: Midwest While this road nearly bisects the country, the most picturesque section is in the famed Black Hills and Badlands of South Dakota. Juliet Izon, Woman's Day, "The 12 Most Scenic Drives in the Country to Add to Your Bucket List ASAP," 4 Dec. 2018 The statement says the Koreas also agreed to no-fly zone above the military demarcation line that bisects the two Koreas that will apply to planes, helicopters and drones. Fox News, "The Latest: Trump welcomes 'tremendous progress' with NKorea," 19 Sep. 2018 Golfing in the Great Glen Built in the early 1800s, the Caledonian Canal bisects Scotland from northeast to southwest, connecting scenic lochs—including the possibly serpent-harboring Loch Ness—and cutting through the Great Glen. Sara Tucker, WSJ, "European Barge Cruises That Are Anything But Boring," 6 Sep. 2018

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.

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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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Statistics for bisect

Last Updated

12 May 2019

Look-up Popularity

Time Traveler for bisect

The first known use of bisect was circa 1645

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More Definitions for bisect



English Language Learners Definition of bisect

: to divide (something) into two equal parts


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

Kids Definition of bisect

1 : to divide into two equal parts
2 : intersect

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More from Merriam-Webster on bisect

Rhyming Dictionary: Words that rhyme with bisect

Thesaurus: All synonyms and antonyms for bisect

Spanish Central: Translation of bisect

Nglish: Translation of bisect for Spanish Speakers

Britannica English: Translation of bisect for Arabic Speakers

Comments on bisect

What made you want to look up bisect? Please tell us where you read or heard it (including the quote, if possible).


a strong desire or propensity

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