/ Dictionary / Index R Rabi: Meaning and Definition of Find definitions for: Ra•bi Pronunciation: (r'b?), [key] 1898?1988, U.S. physicist: Nobel prize 1944. Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease. Rabelaisian Rabi I Related Content Daily Word Quiz: abdicate Analogy of the Day: Today?s Analogy Spelling Bee: Today?s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language