/ Dictionary / Index M mallard: Meaning and Definition of Find definitions for: mal•lard Pronunciation: (mal'urd), [key] — pl. -lards, -lard. a common, almost cosmopolitan, wild duck, Anas platyrhynchos, from which the domestic ducks are descended. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mallard (Thesaurus) mallanders Mallarmé Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language