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canvasback

American  
[kan-vuhs-bak] / ˈkæn vəsˌbæk /

noun

plural

canvasbacks,

plural

canvasback

  1. a North American wild duck, Aythya valisineria, the male of which has a whitish back and a reddish-brown head and neck.

canvasback British  
/ ˈkænvəsˌbæk /

noun

  1. a North American diving duck, Aythyra valisineria, the male of which has a white body and reddish-brown head

"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

Etymology

Origin of canvasback

An Americanism dating back to 1595–1605; after the canvaslike color of its back

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.