'Hexagon' definitions:

Definition of 'hexagon'

From: WordNet
noun
A six-sided polygon

Definition of 'Hexagon'

From: GCIDE
  • Hexagon \Hex"a*gon\, n. [L. hexagonum, Gr. ? six-cornered; "e`x six (akin to E. six) + ? angle.] (Geom.) A plane figure of six angles. [1913 Webster]
  • Regular hexagon, a hexagon in which the angles are all equal, and the sides are also all equal. [1913 Webster]