/ Dictionary / Index B bulletin board: Meaning and Definition of Find definitions for: bul'letin board" Pronunciation: [key] a board for the posting of bulletins, notices, announcements, etc. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bulletin bulletproof Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language