Breadcrumb Home > 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: donnybrook Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language