Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun sheldrake

2 senses of sheldrake

Sense 1
merganser, fish duck, sawbill, sheldrake -- (large crested fish-eating diving duck having a slender hooked bill with serrated edges)
       => sea duck -- (any of various large diving ducks found along the seacoast: eider; scoter; merganser)

Sense 2
sheldrake -- (Old World gooselike duck slightly larger than a mallard with variegated mostly black-and-white plumage and a red bill)
       => duck -- (small wild or domesticated web-footed broad-billed swimming bird usually having a depressed body and short legs)