/ Dictionary / Index B B.B.A.: Meaning and Definition of Find definitions for: B.B.A. Pronunciation: [key] Bachelor of Business Administration. Big Brothers of America. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. BB B battery Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language