poly·​gon | \ ˈpä-lē-ˌgän How to pronounce polygon (audio) \

Definition of polygon

1 : a closed plane figure bounded by straight lines
2 : a closed figure on a sphere bounded by arcs of great circles

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Other Words from polygon

polygonal \ pə-​ˈli-​gə-​nᵊl How to pronounce polygon (audio) \ adjective
polygonally \ pə-​ˈli-​gə-​nᵊl-​ē How to pronounce polygon (audio) \ adverb

Examples of polygon in a Sentence

Pentagons, hexagons, and octagons are all kinds of polygons.
Recent Examples on the Web In addition, any residential land lines in the polygon are notified as well. Carol Robinson | Crobinson@al.com, al, 30 Aug. 2021 The red polygon is one of a series of tornado warning boxes issued by the Weather Service. Washington Post, 2 July 2021 The Demaines began this puzzle-font experiganza around the turn of the century with a dissection puzzle — a puzzle whereby one shape, or polygon, is sliced up and reassembled into other geometric shapes. Siobhan Roberts, New York Times, 25 June 2021 That left only two five-vertex configurations still open: the pentagon (or really any five-sided polygon), also called a five-cycle, and the five-vertex path, which consists of four line segments linked together, forming an open chain. Quanta Magazine, 26 Apr. 2021 Sikorsky said Copa Wealth Studios has positions in cardano and polygon, two other cryptos that are similar to algorand in that they are not mined by energy-hungry supercomputers. Paul R. La Monica, CNN, 16 June 2021 Will today’s teen, somewhere down the boulevard of life, be called upon to square a circle (hopefully not, since that was proved to be impossible in 1882), or be asked to demonstrate that the sum of the exterior angles of a polygon is 360 degrees? Jordan Ellenberg, WSJ, 22 May 2021 The wheel itself is ensconced in a polygon lined with colorful panels that reflect sunlight on it. Domenica Bongiovanni, The Indianapolis Star, 12 Mar. 2021 Apparently, this property — called a constructible polygon — was known to the ancient Greeks. Washington Post, 23 Sep. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'polygon.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of polygon

circa 1560, in the meaning defined at sense 1

History and Etymology for polygon

Late Latin polygonum, from Greek polygōnon, from neuter of polygōnos polygonal, from poly- + gōnia angle — more at -gon

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Time Traveler for polygon

Time Traveler

The first known use of polygon was circa 1560

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Dictionary Entries Near polygon




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Last Updated

12 Sep 2021

Cite this Entry

“Polygon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polygon. Accessed 23 Sep. 2021.

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More Definitions for polygon



English Language Learners Definition of polygon

: a flat shape that has three or more straight lines and angles


poly·​gon | \ ˈpä-li-ˌgän How to pronounce polygon (audio) \

Kids Definition of polygon

: a flat geometric figure having three or more straight sides

More from Merriam-Webster on polygon

Nglish: Translation of polygon for Spanish Speakers

Britannica English: Translation of polygon for Arabic Speakers

Britannica.com: Encyclopedia article about polygon


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