'Rocky Mountain locust' definitions:

Definition of 'Rocky Mountain locust'

From: GCIDE

Rocky \Rock"y\, a.
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]