poly·​gon ˈpä-lē-ˌgän How to pronounce polygon (audio)
: a closed plane figure bounded by straight lines
: a closed figure on a sphere bounded by arcs of great circles
polygonal adjective
polygonally adverb

Example Sentences

Pentagons, hexagons, and octagons are all kinds of polygons.
Recent Examples on the Web The tattoo, only a few inches long, is a spare linear outline of one rod in the form of a polygon. Christopher Knight, Los Angeles Times, 10 Nov. 2022 Some are abstract—the polygon patterns that mirror the crazy-quilt blocks of the Village; others—like the line drawings of walking figures or the blood-red ribbon that steamrolls over Washington Square Park—are explicit. Heidi Waleson, WSJ, 27 Oct. 2022 The Plectranthias polygonius, or polygon perchlet, found in the tropical Central Pacific in 2019 was named for the orange rhombus shapes on its midline that distinguish it from other perchlets. Nell Lewis, CNN, 23 Aug. 2022 Signalis also stands out for its great use of low-polygon art, CRT-style low-resolution filters, and subtle interface cues to make everything feel like a lost original PlayStation classic, jagged edges and all. Kyle Orland, Ars Technica, 29 Apr. 2022 The animal’s beady black gaze remained unchanged as the blade descended through his squishy, polygon-patterned shell to reveal layers of spice cake and kelly-green vanilla buttercream icing. Maggie Hennessy, Bon Appétit, 16 May 2022 Forever's gunfights are surprisingly solid in this unfinished game, owing as much to punchy sound design and powerful weapons as to the game's era-appropriate blocky-polygon violence. Sam Machkovech, Ars Technica, 12 May 2022 In every Tandis puzzle, players are handed a single geometric shape (sometimes with full 3D properties, sometimes as a flat 2D polygon), then are shown the puzzle's solution, which is a different geometric shape. Sam Machkovech, Ars Technica, 22 Apr. 2022 Using a 96-sided polygon, Liu Hui was able to determine that the ratio had to be greater than three. David Grossman, Popular Mechanics, 14 Mar. 2022 See More

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.

Word History


borrowed from Late Latin polygōnum, borrowed from Greek polýgōnon, from poly- poly- + -gōnon -gon

First Known Use

circa 1560, in the meaning defined at sense 1

Time Traveler
The first known use of polygon was circa 1560

Dictionary Entries Near polygon

Cite this Entry

“Polygon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polygon. Accessed 1 Dec. 2022.

Kids Definition



poly·​gon ˈpäl-i-ˌgän How to pronounce polygon (audio)
: a geometric figure that is closed, that lies in a plane, and whose edges are all straight lines
triangles, squares, and pentagons are all polygons
polygonal adjective

More from Merriam-Webster on polygon

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