1. Noun.  (geometry) A plane figure bounded by straight edges.
  2. Noun.  (geometry) The boundary of such a figure.
  3. Noun.  (geometry, more generally) A figure comprising vertices and (not necessarily straight) edges, alternatingly.
  4. Noun.  (geometry) Such a figure and its interior, taken as a whole.

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This entry was last updated on RefTopia from its source on 3/20/2012.