/ Dictionary / Index R Rous: Meaning and Definition of Find definitions for: Rous Pronunciation: (rous, rs), [key] 1879–1970, U.S. pathologist: Nobel prize for medicine 1966. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rous (Thesaurus) Rourke rouse Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language