| 1. | Bachelor of Arts. Origin: 1755–65; < NL Baccalaureus Artium  |
| 2. | bastard amber. |
| 3. | batting average. |
| 4. | British Academy. |
| 5. | British America. |
| 6. | British Association (for Advancement of Science). |
| 7. | Buenos Aires. |
| 1. | a bachelor's degree in the liberal arts, usually awarded for studies in the social sciences or humanities. |
| 2. | a person having this degree. Abbreviation: A.B., B.A. |
