/ Dictionary / Index B bullnose header: Meaning and Definition of Find definitions for: bull'nose head"er Pronunciation: [key] — Masonry. Masonry. See(def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bull-nosed bow bullnose stretcher Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language