bisect

verb

bi·​sect ˈbī-ˌsekt How to pronounce bisect (audio)
bī-ˈsekt
bisected; bisecting; bisects
Synonyms of bisectnext

transitive verb

: to divide into two usually equal parts
bisection
ˈbī-ˌsek-shən How to pronounce bisect (audio)
bī-ˈsek-
noun
bisectional adjective
bisectionally adverb

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The dog is ahead and has stopped by the tree that bisects the diagonal; the girl with the bright red coat who seems to be paused behind him. Literary Hub, 10 June 2026 Awaiting beyond a temple pylon recreated in the Parisian hôtel particulier were a series of columns, each bisected by a large sculpted niche with treasures galore within. Lily Templeton, Footwear News, 9 June 2026 In all, current plans for Venice Dell include 120 units , commercial space and parking garages to replace beach parking and provide spots for residents, all bisected by a canal. Andrew Khouri, Los Angeles Times, 9 June 2026 Before joining the Royal Family, Kate Middleton was granted her own lozenge, featuring three acorns (representing her and her two siblings) bisected by a gold chevron (for her mother’s maiden name, Goldsmith). Helen Lewis, The Atlantic, 9 June 2026 See All Example Sentences for bisect

Word History

Etymology

bi- entry 1 + intersect

First Known Use

circa 1645, in the meaning defined at transitive sense

Time Traveler
The first known use of bisect was circa 1645

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Cite this Entry

“Bisect.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bisect. Accessed 16 Jun. 2026.

Kids Definition

bisect

verb
bi·​sect ˈbī-ˌsekt How to pronounce bisect (audio)
bī-ˈsekt
1
: to divide into two usually equal parts
2

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