Source : Webster's Revised Unabridged Dictionary (1913)

Canadian \Ca*na"di*an\, a.
   Of or pertaining to Canada. -- n. A native or inhabitant of
   Canada.

   {Canadian period} (Geol.), A subdivision of the American
      Lower Silurian system embracing the calciferous, Quebec,
      and Chazy epochs. This period immediately follows the
      primordial or Cambrian period, and is by many geologists
      regarded as the beginning of the Silurian age, See the
      Diagram, under {Geology}.

Source : WordNet®

Canadian
     adj : of or relating to Canada or its people

Canadian
     n 1: a native or inhabitant of Canada
     2: a river rising in northeastern New Mexico and flowing
        eastward across the Texas panhandle to become a tributary
        of the Arkansas River in Oklahoma [syn: {Canadian River}]