heptagon

noun
hep·ta·gon | \ ˈhep-tə-ˌgän \

Definition of heptagon 

: a polygon of seven angles and seven sides

Illustration of heptagon

Illustration of heptagon

Other words from heptagon

heptagonal \hep-ˈta-gə-nᵊl \ adjective

First Known Use of heptagon

1570, in the meaning defined above

History and Etymology for heptagon

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

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The first known use of heptagon was in 1570

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More Definitions for heptagon

heptagon

noun

English Language Learners Definition of heptagon

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

heptagon

noun
hep·ta·gon | \ ˈhep-tə-ˌgän \

Kids Definition of heptagon

: a closed geometric figure having seven angles and seven sides

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