frontier

  1. Noun.  That part of a country which fronts or faces another country or an unsettled region; the marches; the border, confine, or extreme part of a country, bordering on another country; the border of the settled and cultivated part of a country; as, the frontier of civilization.
  2. Adjective.  Lying on the exterior part; bordering; conterminous.
  3. Adjective.  Of or relating to a frontier.

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