/ Dictionary / Index B Bly: Meaning and Definition of Find definitions for: Bly Pronunciation: (blī), [key] (Elizabeth Cochrane Seaman), 1867–1922, U.S. journalist and social reformer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. blvd. B lymphocyte 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