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fish duck

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noun Informal.
merganser.
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Origin of fish duck

An Americanism dating back to 1855–60

Words nearby fish duck

fishbowl, fish cake, fish crow, fish culture, fish doctor, fish duck, fish eagle, fisher, Fisher King, fisherman, fisherman's bend
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use fish duck in a sentence

  • The winter range of this "fish duck" is largely determined by the extent of open water on our lakes and streams.

    Birds and All Nature, Vol. V, No. 3, March 1899|Various

  • Knowing a mallard from a merganser has another side: gourmets prefer a corn-fed mallard to the fish duck.

    Ducks at a Distance|Robert W. Hines

  • The name fish-duck, which one hears occasionally, is much more appropriate.

    Ways of Wood Folk|William J. Long

  • Not a living creature but a fish duck peacefully riding the water was to be seen.

    The Secret Cache|E. C. [Ethel Claire] Brill
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