fish duck

Noun fish duck has 1 sense

• fish duck(n = noun.animal) merganser, sawbill, sheldrake - large crested fish-eating diving duck having a slender hooked bill with serrated edges; Array
is a kind of sea duck
is a member of genus mergus, mergus
has particulars: goosander, mergus merganser, american merganser, mergus merganser americanus, mergus serrator, red-breasted merganser, mergus albellus, smew, hooded merganser, hooded sheldrake, lophodytes cucullatus