'AB' definitions:

Definition of 'AB'

(from WordNet)
noun
A bachelor's degree in arts and sciences [syn: Bachelor of Arts, BA, Artium Baccalaurens, AB]
noun
The eleventh month of the civil year; the fifth month of the ecclesiastical year in the Jewish calendar (in July and August) [syn: Ab, Av]
noun
The muscles of the abdomen [syn: abdominal, abdominal muscle, ab]
noun
The blood group whose red cells carry both the A and B antigens [syn: AB, type AB, group AB]