rocky mountain locust

Webster's Dictionary (GCIDE)

1.Full of, or abounding in, rocks; consisting of rocks; as, a rocky mountain; a rocky shore. [1913 Webster]

2.Like a rock; as, the rocky orb of a shield. --Milton. [1913 Webster]

3.Fig.: Not easily impressed or affected; hard; unfeeling; obdurate; as, a rocky bosom. --Shak. [1913 Webster]

Rocky Mountain locust (Zool.), the Western locust, or grasshopper. See Grasshopper.

Rocky Mountain sheep. (Zool.) See Bighorn. [1913 Webster]