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

transitive verb

: to divide into two usually equal parts
ˈbī-ˌsek-shən How to pronounce bisect (audio)
ˈbī-ˌsek-shnəl How to pronounce bisect (audio)
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 The project, which is bisected by the trolley line, will feature a downtown-style main street. Jennifer Van Grove, San Diego Union-Tribune, 10 May 2024 The building’s front is bisected by a floor-to-ceiling pinewood door. Suleman Anaya, New York Times, 3 May 2024 The new port sits southwest of Gaza City and a bit north of a road bisecting Gaza that the Israeli military built during the current war against Hamas. Jon Gambrell, The Christian Science Monitor, 30 Apr. 2024 For most of us, Fourier transforms and bisecting arcs of circles are a very weird way to do modulo addition — human neurons just don’t think like that. Anil Ananthaswamy, Quanta Magazine, 12 Apr. 2024 An expert level of craftsmanship was required to build and install the sleekly curvilinear wooden cabinetry, and some imagination was required to conceive and construct a pair of overlapping circular islands that are bisected by a frameless wall of glass. Mark David, Robb Report, 1 Apr. 2024 Terraces planted with bamboo and native forbs and grasses are bisected by wooden walkways that zigzag between ponds and constructed wetlands. Richard Schiffman, New York Times, 28 Mar. 2024 As the Mississippi bisects the lower portions of Iowa, Illinois and Missouri, it's constrained by levees to protect high-production farmland nearby. Journal Sentinel, 27 Feb. 2024 How to Get Around Cozumel is a small but well-maintained island with a ring road, as well as one that bisects the island. Meagan Drillinger, Travel + Leisure, 1 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'bisect.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


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

Dictionary Entries Near bisect

Cite this Entry

“Bisect.” Dictionary, Merriam-Webster, Accessed 25 May. 2024.

Kids Definition


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

More from Merriam-Webster on bisect

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