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trapezium
[ truh-pee-zee-uhm ]
/ trəˈpi zi əm /
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noun, plural tra·pe·zi·ums, tra·pe·zi·a [truh-pee-zee-uh]. /trəˈpi zi ə/.
Geometry.
- (in Euclidean geometry) any rectilinear quadrilateral plane figure not a parallelogram.
- a quadrilateral plane figure of which no two sides are parallel.
- British. trapezoid (def. 1a).
Anatomy. a bone in the wrist that articulates with the metacarpal bone of the thumb.
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Origin of trapezium
OTHER WORDS FROM trapezium
tra·pe·zi·al, adjectiveWords nearby trapezium
trapes, trapeze, trapeze artist, trapezial, trapeziform, trapezium, trapezius, trapezohedron, trapezoid, trapezoidal rule, trapezoid ligament
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use trapezium in a sentence
British Dictionary definitions for trapezium
trapezium
/ (trəˈpiːzɪəm) /
noun plural -ziums or -zia (-zɪə)
mainly British a quadrilateral having two parallel sides of unequal lengthUsual US and Canadian name: trapezoid
mainly US and Canadian a quadrilateral having neither pair of sides parallel
a small bone of the wrist near the base of the thumb
Derived forms of trapezium
trapezial, adjectiveWord Origin for trapezium
C16: via Late Latin from Greek trapezion, 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 trapezium
trapezium
[ trə-pē′zē-əm ]
n. pl. tra•pe•zi•ums
A quadrilateral having no parallel sides.
A bone in the wrist at the base of the thumb, articulating with the first and second metacarpal, scaphoid, and trapezoid bones.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for trapezium
trapezium
[ trə-pē′zē-əm ]
Plural trapeziums trapezia
A four-sided plane figure having no parallel sides.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.