merganser

[ mer-gan-ser ]
/ mərˈgæn sər /

noun, plural mer·gan·sers, (especially collectively) mer·gan·ser.

any of several fish-eating diving ducks of the subfamily Merginae, having a narrow bill hooked at the tip and serrated at the edges.

Origin of merganser

1745–55; < New Latin, equivalent to Latin merg(us) diver, a kind of water bird + ānser goose
Also called fish duck.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for merganser

merganser

/ (mɜːˈɡænsə) /

noun plural -sers or -ser

any of several typically crested large marine diving ducks of the genus Mergus, having a long slender hooked bill with serrated edgesAlso called: sawbill See also goosander

Word Origin for merganser

C18: from New Latin, from Latin mergus waterfowl, from mergere to plunge + anser goose
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012