trapezoid

noun

trap·e·zoid ˈtra-pə-ˌzȯid

: a quadrilateral having only two sides parallel

British : trapezium sense 1a

: a bone in the wrist at the base of the metacarpal of the index finger

trapezoidal

ˌtra-pə-ˈzȯi-dᵊl

adjective

Examples of trapezoid in a Sentence

Recent Examples on the Web

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What initially reads as near abstraction—a blue oval, a red trapezoid, yellow flanking fields—reveals itself as an act of erasure. — Carmen Rosenberg-Miller, Artforum, 6 Aug. 2026 Cut the white space out of the middle of the trapezoid. — Jaclyn Cosgrove, Los Angeles Times, 3 May 2026 Carey turns to married friends Julie (Dakota Johnson) and Paul (director Michael Angelo Corvino), learns about their open marriage, and a complicated love trapezoid ensues. — Brian Truitt, USA Today, 13 Feb. 2026 In the Olympics, goalies continued to be free to play the puck anywhere behind the goal line until the IIHF adopted the trapezoid in 2021. — Jesse Granger, New York Times, 10 Feb. 2026 See All Example Sentences for trapezoid

Word History

Etymology

New Latin trapezoïdes, from Greek trapezoeidēs trapezium-shaped, from trapeza table

First Known Use

circa 1706, in the meaning defined at sense 1b

Time Traveler

The first known use of trapezoid was circa 1706

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trapezohedron

trapezoid

trapezoidal

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Style

“Trapezoid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trapezoid. Accessed 18 Aug. 2026.

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Kids Definition

trapezoid

noun

trap·e·zoid ˈtrap-ə-ˌzȯid

: a polygon that has four sides and exactly two that are parallel

trapezoidal

ˌtrap-ə-ˈzȯid-ᵊl

adjective

Medical Definition

trapezoid

noun

trap·e·zoid ˈtrap-ə-ˌzȯid

: a bone in the distal row of the carpus at the base of the index finger

called also lesser multangular, trapezoid bone, trapezoideum

trapezoid

noun

Illustration of trapezoid

Examples of trapezoid in a Sentence

Word History

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Kids Definition

Medical Definition

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trapezoid

noun

Illustration of trapezoid

Examples of trapezoid in a Sentence

Word History

Rhymes for trapezoid

Browse Nearby Words

Cite this Entry

Kids Definition

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