'Mergus albellus' definitions:

Definition of 'Mergus albellus'

From: WordNet
noun
Smallest merganser and most expert diver; found in northern Eurasia [syn: smew, Mergus albellus]

Definition of 'Mergus albellus'

From: GCIDE
  • Smew \Smew\, n. [Perhaps for ice-mew.] (Zool.) (a) small European merganser (Mergus albellus) which has a white crest; -- called also smee, smee duck, {white merganser}, and white nun. (b) The hooded merganser. [Local, U.S.] [1913 Webster]