snow goose definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a wild, medium-sized, white goose (Anser caerulescens) with a reddish bill and black wing tips, that breeds in the Arctic and has a bluish-gray color phase if it migrates farther south
snow goose definition by American Heritage Dictionary
A North American wild goose (Chen caerulescens or Anser caerulescens) that breeds in Arctic regions, having a dusky gray color phase when young and a white plumage with black wingtips as an adult.