noun
: a widely distributed merganser ( Mergus serrator ) of Europe and America having in the male a reddish breast band separated from the green head by a conspicuous white collar
noun
: a widely distributed merganser ( Mergus serrator ) of Europe and America having in the male a reddish breast band separated from the green head by a conspicuous white collar
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012