Source : Webster's Revised Unabridged Dictionary (1913)

Grizzly \Griz"zly\, n.; pl. {Grizzlies}.
   1. (Zo["o]l.) A grizzly bear. See under {Grizzly}, a.

   2. pl. In hydraulic mining, gratings used to catch and throw
      out large stones from the sluices. [Local, U. S.]
      --Raymond.