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

Flanked by one- and two-story Georgian-style brick buildings and bisected by rapid transit rail lines, the square is one of Cleveland’s most beloved spaces. Steven Litt,, "Final design recommendations for revamping Shaker Square earn mixed reviews at Sunday unveiling," 30 June 2019 Landmarks: Rose Canyon Open Space Park bisects the community. Martina Schimitschek, San Diego Union-Tribune, "University City: ‘Golden Triangle’ is bustling, will soon welcome trolley," 28 June 2019 Two large mounds bisect the fairway 300 yards from the tee, creating a blind second shot over the hill. Michael Whitmer,, "A golf fanatic picks the 18 best holes to play on New England courses," 20 June 2019 The ridge bisects two steep, icy cliffs — the Willis and the Liberty walls — on the mountain’s north side. Asia Fields, The Seattle Times, "4 climbers stranded since Monday rescued from treacherous route on Mount Rainier," 6 June 2019 An equinox occurs when the sun lines up so that the equator bisects it. Daisy Hernandez, Popular Mechanics, "Everything You Need to Know About the Summer Solstice," 18 June 2019 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

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

7 Jul 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).


something desired as essential

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