/ Dictionary / Index R Round Rock: Meaning and Definition of Find definitions for: Round' Rock' Pronunciation: [key] a town in central Texas. 11,812. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. round robin round-shouldered Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language