# trapezoid

[trap-uh-zoid]

## Origin of trapezoid

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

## Examples from the Web for trapezoid

### Historical Examples of trapezoid

An interesting variation of the ordinary proof is made by placing a trapezoid T', congruent to T, in the position here shown.

The Teaching of GeometryDavid Eugene Smith

The term "isosceles trapezoid" is used to mean a trapezoid with two opposite sides equal, but not parallel.

The Teaching of GeometryDavid Eugene Smith

The area of a trapezoid is equal to half the sum of its bases multiplied by the altitude.

The Teaching of GeometryDavid Eugene Smith

In the first drawer I keep the four plain wooden squares and two frames, one containing a rhomboid, and the other a trapezoid.

The Montessori MethodMaria Montessori

The trapezoid and the os magnum of the carpus are united, while in Choloepus they are perfectly distinct bones.

The Cambridge Natural History, Vol X., MammaliaFrank Evers Beddard

## trapezoid

## 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

Online Etymology Dictionary, © 2010 Douglas Harper

## trapezoid

[trăp′ĭ-zoid′]

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

## trapezoid

[trăp′ĭ-zoid′]

The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

## trapezoid

[(trap-uh-zoyd)]

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.