/ Dictionary / Index R rock squirrel: Meaning and Definition of Find definitions for: rock' squir"rel Pronunciation: [key] a large, gray ground squirrel, Spermophilus variegatus, inhabiting rocky areas of the southwestern U.S. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Rock Springs rock steady Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language