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heptagon

play
noun hep·ta·gon \ˈhep-tə-ˌgän\

Simple Definition of heptagon

  • mathematics : a flat shape that has seven sides and seven angles

Full Definition of heptagon

  1. :  a polygon of seven angles and seven sides

hep·tag·o·nal play \hep-ˈta-gə-nəl\ adjective

Illustration of heptagon

Origin of heptagon

Greek heptagōnos heptagonal, from hepta + gōnia angle — more at -gon


First Known Use: 1570


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