trapezoid
[ trap-uh-zoid ]
/ ˈtræp əˌzɔɪd /
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
OTHER WORDS FROM trapezoid
post·trap·e·zoid, adjectivesub·trap·e·zoid, adjectivesub·trap·e·zoi·dal, adjectiveDictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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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
Medical definitions for trapezoid
trapezoid
[ trăp′ĭ-zoid′ ]
n.
A quadrilateral having two parallel sides.
A small bone in the wrist that is situated near the base of the index finger and that articulates with the second metacarpal, trapezium, capitate, and scaphoid bones.
Other words from trapezoid
trap′e•zoid′ null adj.The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for trapezoid
trapezoid
[ trăp′ĭ-zoid′ ]
A four-sided plane figure having two parallel sides.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for trapezoid
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.