/ Dictionary / Index R rupestrine: Meaning and Definition of Find definitions for: ru•pes•trine Pronunciation: (r-pes'trin), [key] — adj. Biol. living or growing on or among rocks. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Rupes Altai rupiah Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language