Breadcrumb Home > Dictionary > Index R rock wallaby: Meaning and Definition of Find definitions for: rock' wal"laby Pronunciation: [key] any wallaby of the genus Petrogale, having a banded or striped coat, slender body, and long legs and feet, inhabiting caves and rocky areas in Australia. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rock wall rockweed ✖ Related Content Daily Word Quiz: quadrumanous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language