polygon

[ pol-ee-gon ]
/ ˈpɒl iˌgɒn /

noun

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

Origin of polygon

1560–70; < Latin polygōnum < Greek polýgōnon, noun use of neuter of polýgōnos many-angled. See poly-, -gon

Related forms

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, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples 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

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

Science definitions for polygon

polygon

[ pŏlē-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.

Culture definitions for polygon

polygon


In geometry, a closed figure having three or more sides and lying on one plane.

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.