smew
/smjuː/noun
1- a small migratory merganser of northern Eurasia, the male of which has white plumage with a crest and fine black markings锯齿鸭, 斑头秋沙鸭。
1.1
- Mergus albellus, family Anatidae.拉丁名Mergus albellus,雁鸭科。
词源
late 17th cent.: obscurely related to Dutch smient 'wigeon' and German Schmeiente 'small wild duck'.