Source : Webster's Revised Unabridged Dictionary (1913)

Rocky \Rock"y\, a.
   1. Full of, or abounding in, rocks; consisting of rocks; as,
      a rocky mountain; a rocky shore.

   2. Like a rock; as, the rocky orb of a shield. --Milton.

   3. Fig.: Not easily impressed or affected; hard; unfeeling;
      obdurate; as, a rocky bosom. --Shak.

   {Rocky Mountain locust} (Zo["o]l.), the Western locust, or
      grasshopper. See {Grasshopper}.

   {Rocky Mountain sheep}. (Zo["o]l.) See {Bighorn}.