'Muscovy duck' definitions:

Definition of 'muscovy duck'

From: WordNet
noun
Large crested wild duck of Central America and South America; widely domesticated [syn: muscovy duck, musk duck, Cairina moschata]

Definition of 'Muscovy duck'

From: GCIDE
  • Muscovy duck \Mus"co*vy duck`\ [A corruption of musk duck.] (Zool.) A duck (Cairina moschata), larger than the common duck, often raised in poultry yards. Called also musk duck. It is native of tropical America, from Mexico to Southern Brazil. [1913 Webster]