trapezoid

[ trap-uh-zoid ]

/ ˈtræp əˌzɔɪd /

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noun

Geometry.

a quadrilateral plane figure having two parallel and two nonparallel sides.
British. trapezium (def. 1b).

Anatomy. a bone in the wrist that articulates with the metacarpal bone of the forefinger.

adjective

Also trap·e·zoi·dal. Geometry. of, relating to, or having the form of a trapezoid.

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Origin of trapezoid

1695–1705; <New Latin trapezoīdēs<Late Greek trapezoeidḗs trapeziumlike. See trapezium, -oid

OTHER WORDS FROM trapezoid

post·trap·e·zoid, adjectivesub·trap·e·zoid, adjectivesub·trap·e·zoi·dal, adjective

Words nearby trapezoid

trapeze artist, trapeziform, trapezium, trapezius, trapezohedron, trapezoid, trapezoidal rule, trapezoid rule, trap gun, trap house, traplight

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use trapezoid in a sentence

Most dynamic are the pictures in which jauntily arranged trapezoids, grouped tightly together, appear to fracture.
In the galleries: Old-time technology with a contemporary twist|Mark Jenkins|August 5, 2022|Washington Post
Each number was fractured into a number of parts indicating how many trapezoids it could form.
Can You Find The Luckiest Coin?|Zach Wissner-Gross|February 18, 2022|FiveThirtyEight
Is any thing here added to the conception of each trapezoid?
Fundamental Philosophy, Vol. I (of 2)|Jaime Luciano Balmes
The second trapezoid is composed of pieces which can be placed in the rectangle, filling it completely.
Montessori Elementary Materials|Maria Montessori

Trapezoid -al: a four-sided plane of which two sides are parallel and two are not.
Explanation of Terms Used in Entomology|John. B. Smith
Another drawer contains various figures: an oval, an ellipse, a rhombus, and a trapezoid.
Dr. Montessori's Own Handbook|Maria Montessori
Arms trapezoid, at the base half as broad, at the distal end twice as broad as the triopyle-shaped medullary shell.
Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, First Part: Porulosa (Spumellaria and Acantharia)|Ernst Haeckel

British Dictionary definitions for trapezoid

trapezoid

/ (ˈtræpɪˌzɔɪd) /

noun

a quadrilateral having neither pair of sides parallel

Also called: (Brit, Austral., NZ, and South African) trapezium US and Canadian a quadrilateral having two parallel sides of unequal length

a small bone of the wrist near the base of the index finger

Word Origin for trapezoid

C18: from New Latin trapezoidēs, from Late Greek trapezoeidēs trapezium-shaped, from trapeza table

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for trapezoid

trapezoid

[ trăp′ĭ-zoid′ ]

A four-sided plane figure having two parallel sides.

Cultural definitions for trapezoid

trapezoid

[ (trap-uh-zoyd) ]

A four-sided polygon in which two sides are parallel and two are not.