noun
common North American diving duck considered a variety of the European goosander
• Syn: ↑Mergus merganser americanus
• Member Holonyms: ↑Mergus, ↑genus Mergus
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nounUsage: usually capitalized A
: a common No. American diving duck usually considered a variety (Mergus merganser americanus) of the European goosander
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American merganser,
a North American variety of fish-eating duck that has a glossy greenish-black head and upper neck.
Useful english dictionary. 2012.