/ Dictionary / Index R Rousseau: Meaning and Definition of Find definitions for: Rous•seau Pronunciation: (r-sō' Fr. r-sō'), [key] — n. (“Le Douanier”), 1844–1910, French painter. 1712–78, French philosopher, author, and social reformer; born in Switzerland. 1812–67, French painter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rousseau (Thesaurus) Rous sarcoma Rousseauism 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