/ Dictionary / Index B B.LL.: Meaning and Definition of Find definitions for: B.LL. Pronunciation: [key] Bachelor of Laws. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. blk. BLM Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language