polygon

1 of 2

noun

poly·​gon ˈpä-lē-ˌgän How to pronounce polygon (audio)
1
: a closed plane figure bounded by straight lines
2
: a closed figure on a sphere bounded by arcs of great circles
polygonal adjective
polygonally adverb

polygonal

2 of 2

adjective

po·​lyg·​o·​nal pəˈligənᵊl How to pronounce polygonal (audio)
1
: having many sides
a polygonal figure
the polygonal assault which the coordinated natural and social sciences could make upon the problems of societyJ. R. Newman
2
: having a surface marked by a pattern of more or less polygonal blocks or spaces
polygonal ground
polygonal soil
see polygon sense 2
polygonally
-ᵊlē How to pronounce polygonal (audio)
-ᵊli
adverb

Examples of polygon in a Sentence

Noun Pentagons, hexagons, and octagons are all kinds of polygons.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Their proof involved dividing the area into polygons instead of triangles, defining a network of points and lines from those polygons and then determining the best way to color the points of that network. Manon Bischoff, Scientific American, 13 June 2026 Brands like Barry Callebaut and Cargill employ GPS polygon mapping, which uses satellites to track cocoa bags from individual farms all the way to processing warehouses. Indrabati Lahiri, Forbes.com, 25 May 2026 In this photo provided by Ukraine's 65th Mechanised Brigade press service on April 10, 2026, a Ukrainian serviceman looks at FPV drone takeoff during a training at the polygon in Zaporizhzhia region, Ukraine. CBS News, 17 May 2026 So even if your car has a weird polygon screen, Android should fill it completely. ArsTechnica, 12 May 2026 See All Example Sentences for polygon

Word History

Etymology

Noun

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

First Known Use

Noun

circa 1560, in the meaning defined at sense 1

Time Traveler
The first known use of polygon was circa 1560

Browse Nearby Words

Cite this Entry

“Polygon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polygon. Accessed 25 Jun. 2026.

Kids Definition

polygon

noun
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

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