heptagon

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noun hep·ta·gon \ˈhep-tə-ˌgän\

Definition of heptagon

  1. :  a polygon of seven angles and seven sides

heptagonal

play \hep-ˈta-gə-nəl\ adjective

Illustration of heptagon

Origin and Etymology of heptagon

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


First Known Use: 1570


HEPTAGON Defined for English Language Learners

heptagon

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noun

Definition of heptagon for English Language Learners

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


HEPTAGON Defined for Kids

heptagon

play
noun hep·ta·gon \ˈhep-tə-ˌgän\

Definition of heptagon for Students

  1. :  a closed geometric figure having seven angles and seven sides


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