Octagon

2 definitions found

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

  Octagon \Oc"ta*gon\, n. [Gr. ? eight-cornered; 'okta- (for
     'oktw` eight) + ? an angle: cf. F. cctogone.]
     1. (Geom.) A plane figure of eight sides and eight angles.
        [1913 Webster]
  
     2. Any structure (as a fortification) or place with eight


        sides or angles.
        [1913 Webster]
  
     {Regular octagon}, one in which the sides are all equal, and
        the angles also are all equal.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  octagon
       n : an eight-sided polygon