Origin of quadrilateral

from Classical Latin*quadrilaterus*(see quadri- and lateral) + -al

- Geom. a plane figure having four sides and four angles
- a four-sided area

These are quadrilateral shapes.

- Quadrilateral means four-sided.
An example of something quadrilateral is a square.

- Quadrilateral is defined as a shape with four sides and four angles.
An example of a quadrilateral is a rectangle.

YourDictionary definition and usage example. Copyright © 2018 by LoveToKnow Corp

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"quadrilateral." YourDictionary, n.d. Web. 11 October 2018. <http://www.yourdictionary.com/quadrilateral>.

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quadrilateral. (n.d.). Retrieved October 11th, 2018, from http://www.yourdictionary.com/quadrilateral

four-sided

Origin of quadrilateral

from Classical Latin- Geom. a plane figure having four sides and four angles
- a four-sided area

Webster's New World College Dictionary, Fifth Edition Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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**MLA Style**

"quadrilateral." YourDictionary, n.d. Web. 11 October 2018. <http://www.yourdictionary.com/quadrilateral>.

**APA Style**

quadrilateral. (n.d.). Retrieved October 11th, 2018, from http://www.yourdictionary.com/quadrilateral

noun

A polygon having four sides.

adjective

Having four sides.

**quadrilateral**

THE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION by the Editors of the American Heritage Dictionaries. Copyright © 2016, 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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Cite this page

**MLA Style**

"quadrilateral." YourDictionary, n.d. Web. 11 October 2018. <http://www.yourdictionary.com/quadrilateral>.

**APA Style**

quadrilateral. (n.d.). Retrieved October 11th, 2018, from http://www.yourdictionary.com/quadrilateral

Adjective

(*not comparable*)

- having four sides.

English Wiktionary. Available under CC-BY-SA license.

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- Legnago is one of the famous
**Quadrilateral**fortresses. - In shape it is
**quadrilateral**with a cape-like prolongation into Belgium on the north. - The figures considered in § 22 are particular cases of the trapezium, which is a
**quadrilateral**with two parallel sides. - It has the form of a
**quadrilateral**, elongated from N.W. - Finally, the BohemianMoravian Mountains, which enclose Bohemia and Moravia, and form the so-called
**quadrilateral**of Bohemia, constitute the link of the Austrian mountain-system with the hilly region (the Mittelgebirge) of central Europe.

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