/ Dictionary / Index B broncobuster: Meaning and Definition of Find definitions for: bron•co•bust•er Pronunciation: (brong'kō-bus"tur), [key] — n. a person who breaks broncos to the saddle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: broncobuster (Thesaurus) bronco Brontë Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language