/ Dictionary / Index R Rau: Meaning and Definition of Find definitions for: Rau Pronunciation: (rou), [key] born 1923, Indian writer and astrologer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ratty raucous Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language