Simple Definition of polygon

from our Learner's Dictionary

polygon

noun

plural polygons
mathematics : a flat shape that has three or more straight lines and angles
Pentagons, hexagons, and octagons are all kinds of polygons.

Cite this Entry

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

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