common merganser

noun

Definition of common merganser

:a merganser (Mergus merganser) widely distributed in the northern hemisphere with the male having mostly white plumage and a blackish-green head during the breeding season and the female and nonbreeding male having mostly gray plumage and a reddish-brown head called also chiefly Britishgoosander

First Known Use of common merganser

1817


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