Definition of mallards:
(n) :
(countable) Anas platyrhynchos, a common and widespread dabbling duck, natively found throughout the Northern Hemisphere, whose male has a distinctive dark green head.
(n) :
(uncountable) The meat of this bird, eaten as food.
(n) :
A minor city in Palo Alto County, Iowa, United States, named for the duck.
(n) :
A ghost town in Itasca Township, Clearwater County, Minnesota, United States, named after a nearby lake.
(n) :
A surname.