1. (

• Bachelor_of_Arts ,
• BA ,
• Artium_Baccalaurens ,
• AB

) a bachelor's degree in arts and sciences ;

2. (

• Ab ,
• Av

) the eleventh month of the civil year; the fifth month of the ecclesiastical year in the Jewish calendar (in July and August) ;

3. (

• abdominal ,
• abdominal_muscle ,
• ab ,

) the muscles of the abdomen ;

4. (

• AB ,
• type_AB ,
• group_AB

) the blood group whose red cells carry both the A and B antigens ;