/ Dictionary / Index H hornbill: Meaning and Definition of Find definitions for: horn•bill Pronunciation: (hôrn'bil"), [key] — n. any large bird of the family Bucerotidae, of the Old World tropics, characterized by a very large bill usually surmounted by a horny protuberance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hornbill (Thesaurus) hornbeam hornblende Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language