/ Dictionary / Index D duckbill: Meaning and Definition of Find definitions for: duck•bill Pronunciation: (duk'bil"), [key] — n. platypus. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: duckbill (Thesaurus) duck and drake duck-billed dinosaur Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language