# polygon

[ pol-ee-gon ]

/ ˈpɒl iˌgɒn /

Save This Word!

### noun

a figure, especially a closed plane figure, having three or more, usually straight, sides.

## QUIZZES

#### THINK YOU’VE GOT A HANDLE ON THIS US STATE NICKNAME QUIZ?

Did you ever collect all those state quarters? Put them to good use on this quiz about curious state monikers and the facts around them.

Question 1 of 8

Mississippi’s nickname comes from the magnificent trees that grow there. What is it?

## Origin of polygon

## OTHER WORDS FROM polygon

po·lyg·o·nal [puh-lig-uh-nl], /pəˈlɪg ə nl/, adjectivepo·lyg·o·nal·ly, adverbsub·po·lyg·o·nal, adjectivesub·po·lyg·o·nal·ly, adverbDictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

## Example sentences from the Web for polygon

## British Dictionary definitions for polygon

polygon

/ (ˈpɒlɪˌɡɒn) /

### noun

a closed plane figure bounded by three or more straight sides that meet in pairs in the same number of vertices, and do not intersect other than at these vertices. The sum of the interior angles is (n –2) × 180° for n sides; the sum of the exterior angles is 360°. A regular polygon has all its sides and angles equal. Specific polygons are named according to the number of sides, such as triangle, pentagon, etc

## Derived forms of polygon

polygonal (pəˈlɪɡənəl), adjectivepolygonally, adverb## Word Origin for polygon

C16: via Latin from Greek polugōnon figure with many angles

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 polygon

polygon

[ pŏl′ē-gŏn′ ]

A closed plane figure having three or more sides. Triangles, rectangles, and octagons are all examples of polygons.♦ A regular polygon is a polygon all of whose sides are the same length and all of whose interior angles are the same measure.

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

## Cultural definitions for polygon

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.