merganser Hear it!

merganser definition

mer·gan·ser (mər gan′sər)

noun pl. mergansers -·sers or merganser -·ser

any of several fish-eating, diving ducks with a long, slender, serrated bill hooked at the tip and, usually, a crested head, as the large common merganser (Mergus merganser) and the small hooded merganser (Lophodytes cucullatus)

Etymology: ModL < L mergus, diver (waterfowl) < mergere (see merge) + anser, goose

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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