Found 2 items, similar to heptagon.
English → English (WordNet) Definition: heptagon heptagon n : a seven-sided polygon
English → English (gcide) Definition: Heptagon Heptagon \Hep"ta*gon\, n. [Gr. ? sevencornered; "epta` seven + ? angle: cf. F. heptagone.] (Geom.) A plane figure consisting of seven sides and having seven angles. [1913 Webster]