Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
a sea duck (Clangula hyemalis) of N regions, with mostly black-and-white coloration and a long, pointed tail
Used by arrangement with John Wiley & Sons, Inc.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A marine duck (Clangula hyemalis) that is black with a white breast and is found in Arctic and North Temperate regions. Also called long-tailed duck, oldwife.