Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun red-breasted_merganser

1 sense of red-breasted merganser

Sense 1
red-breasted merganser, Mergus serrator -- (widely distributed merganser of America and Europe)
       => merganser, fish duck, sawbill, sheldrake -- (large crested fish-eating diving duck having a slender hooked bill with serrated edges)