/ Dictionary / Index B bull gear: Meaning and Definition of Find definitions for: bull' gear" Pronunciation: [key] — Mach. Mach. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bullfrog bull gun Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language