mallard Meaning, Definition & Usage

  1. noun wild dabbling duck from which domestic ducks are descended; widely distributed
    Anas platyrhynchos.

WordNet

Mal"lard noun
Etymology
F. malari,fr. mâle male + -art =-ard. See Male, a., and -ard.
Definitions
  1. (Zoöl.) A drake; the male of Anas boschas.
  2. (Zoöl.) A large wild duck (Anas boschas) inhabiting both America and Europe. The domestic duck has descended from this species. Called also greenhead.

Webster 1913