Mal"lard (?), n. [F. malari,fr. male male + -art =-ard. See Male, a., and -ard.]
1. Zool.
A drake; the male of Anas boschas.
2. Zool.
A large wild duck (Anas boschas) inhabiting both America and Europe. The domestic duck has descended from this species. Called also greenhead.
© Webster 1913.