/ Dictionary / Index B Bristol board: Meaning and Definition of Find definitions for: Bris'tol board" Pronunciation: [key] a fine, smooth pasteboard that is sometimes glazed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Bristol Bristol Channel 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