smew Meaning, Definition & Usage

  1. noun smallest merganser and most expert diver; found in northern Eurasia
    Mergus albellus.

WordNet

Smew noun
Etymology
Perhaps for ice-mew.
Definitions
  1. (Zoöl.) (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.

Webster 1913