rivulet
/ˈrɪvjʊlɪt/noun
1
- a very small stream小河, 小溪; 细流：
sweat ran in rivulets down his back.
汗水顺着他的背涔涔流下。
1.1
- literary a very small river or stream〈文〉小河; 小溪。
2
- a brownish European moth with white markings, occurring in rough grassland花纹宽翅蛾。
2.1
- Perizoma affinitatum, family Geometridae.拉丁名Perizoma affinitatum,尺蛾科。
词源
late 16th cent.: alteration of obsolete riveret （from French, literally 'small river'）, perhaps suggested by Italian rivoletto, diminutive of rivolo, based on Latin rivus 'stream'.