\Mal"lard\, n. [F. malari,fr. m[^a]le male + -art =-ard.
See {Male}, a., and {-ard}.]
1. (Zo["o]l.) A drake; the male of {Anas boschas}.
2. (Zo["o]l.) A large wild duck ({Anas boschas}) inhabiting
   both America and Europe. The domestic duck has descended
   from this species. Called also {greenhead}.