noun ·Moderate ·College level

Definitions

Noun

1. 1
   A plane figure bounded by edges that are all straight lines.
2. 2
   a closed plane figure bounded by straight sides wordnet
3. 3
   The boundary of such a figure.
4. 4
   A figure comprising vertices and (not necessarily straight) edges, alternatingly. broadly
5. 5
   Such a figure and its interior, taken as a whole.

Synonyms

All synonyms

enclosurefiguremonogonpolygonal shapetriangle

Example

More examples

"Each face of a polyhedron is a polygon."

Etymology

From Ancient Greek πολύγωνον (polúgōnon), from πολύς (polús, “many”) + γωνία (gōnía, “angle”), equivalent to poly- + -gon.

Related phrases

Moufang polygonReuleaux polygoncumulative frequency polygonfrequency polygonfunicular polygonlove polygonpolygon meshpolygon of forcespolygon souppolygon-circle graphregular polygonstar polygon

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.