/ Dictionary / Index B Boston bag: Meaning and Definition of Find definitions for: Bos'ton bag" Pronunciation: [key] a two-handled bag for carrying books, papers, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Boston Boston baked beans Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language