/ Dictionary / Index R rouleau: Meaning and Definition of Find definitions for: rou•leau Pronunciation: (r-lō'), [key] — pl. -leaux, -leaus a roll or strip of something, as trimming on a hat brim. a stack or roll of coins put up in cylindrical form in a paper wrapping. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rouleau (Thesaurus) roulade Roulers 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