/ Dictionary / Index B BLS: Meaning and Definition of Find definitions for: BLS Pronunciation: [key] Bureau of Labor Statistics. bls. Pronunciation: [key] bales. barrels. B.L.S. Pronunciation: [key] Bachelor of Library Science. Bureau of Labor Statistics. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. blowzy BLT Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language