/ Dictionary / Index R Rabi: Meaning and Definition of Find definitions for: Ra•bi Pronunciation: (rä'bē), [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: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language