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A North American diving duck (Aythya valisineria), having a reddish-brown head and neck and a whitish back in the male.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
n, pl -backs or -back
(Animals) a North American diving duck, Aythyra valisineria, the male of which has a white body and reddish-brown head
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
n., pl. -backs, (esp. collectively) -back.
a North American duck, Aythya valisineria, the male of which has a whitish back and a reddish brown head and neck.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||canvasback - North American wild duck valued for sport and food|
duck - small wild or domesticated web-footed broad-billed swimming bird usually having a depressed body and short legs
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