from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A wild duck (Anas platyrhynchos) of which the male has a green head and neck. Most domestic ducks descend from the mallard.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A common and widespread dabbling duck, Anas platyrhynchos, whose male has a distinctive dark green head.
from the GNU version of the Collaborative International Dictionary of English
- n. A drake; the male of Anas boschas.
- n. A large wild duck (Anas boschas) inhabiting both America and Europe. The domestic duck has descended from this species. Called also greenhead.
from The Century Dictionary and Cyclopedia
- n. The wild drake; the male of the common wild duck.
- n. Hence The common wild duck, Anas boscas, the feral stock whence the domestic duck in all its varieties has descended, and the typical representative of the family Anatidœ and subfamily Anatinœ. See duck.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. wild dabbling duck from which domestic ducks are descended; widely distributed
Middle English malarde, from Old French mallart : perhaps from male, male; see male + -ard, -ard, and or possibly of Germanic origin.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle English malarde, Old French malart, mallart ("wild duck"), possibly derived from male, malle ("male") + -ard. (Wiktionary)