rouleau
/ˈruːləʊ/noun
(pl. rouleaux /-ləʊ(z)/或rouleaus)
1
- a cylindrical packet of coins一卷硬币。
2
- a coil or roll of ribbon, knitted wool, or other material, especially used as trimming一卷滚边用饰物（如丝带, 毛线编织品）; 滚边。
词源
late 17th cent.: French, from obsolete French roule 'a roll'.