Rouleau \Rou`leau"\, n.; pl. F. {Rouleaux} (F. ?; E. ?), E. {Rouleaus}. [F., a roll, dim. fr. fr. r[^o]le, formerly also spelt roulle. See {Roll}.] A little roll; a roll of coins put up in paper, or something resembling such a roll. [1913 Webster]