n. 卷轴, 卷封的硬币

[医] 红细胞钱串

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.