Word

fish duck, n.

large crested fish-eating diving duck having a slender hooked bill with serrated edges
<noun.animal>

fish duck merganser sawbill sheldrake

semantic pointers

hypernym

member holonym

Mergus, genus Mergus

hyponym

goosander, Mergus merganser American merganser, Mergus merganser americanus red-breasted merganser, Mergus serrator smew, Mergus albellus hooded merganser, hooded sheldrake, Lophodytes cucullatus