goosander
/guːˈsændə(r)/noun
(复同单, 或goosanders)
1- a large Eurasian and North American merganser, the male of which has a dark green head and whitish underside秋沙鸭。
1.1
- Mergus merganser, family Anatidae. North American name: common merganser.拉丁名Mergus merganser,鸭科。北美名： 普通秋沙鸭。
词源
early 17th cent.: probably from GOOSE+ - ander as in dialect bergander 'shelduck' (the colouring of the male goosander resembling that of the shelduck).