Breadcrumb Home > Dictionary > Index R rock wall: Meaning and Definition of Find definitions for: rock' wall'. Pronunciation: [key] See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Rockville Centre rock wallaby ✖ Related Content Daily Word Quiz: sophism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language