/ Dictionary / Index R Rouen lilac: Meaning and Definition of Find definitions for: Rouen' li'lac Pronunciation: [key] a shrub, Syringa chinensis, of France, having clusters of fragrant, lilac-purple flowers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Rouen rougail Related Content Daily Word Quiz: verdant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language