Heptagon

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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]



From WordNet (r) 2.0 [wn]:

  heptagon
       n : a seven-sided polygon