There are 4 main definitions of Ab in English:

Ab1

Syllabification: Ab
Pronunciation: /äb, äv
 
/
(also Av)

noun

(In the Jewish calendar) the eleventh month of the civil year and the fifth month of the religious year, usually coinciding with parts of July and August.

Origin

from Hebrewāḇ.

Definition of Ab in:

There are 4 main definitions of Ab in English:

Ab2

Syllabification: Ab

abbreviation

Biology

Definition of Ab in:

There are 4 main definitions of Ab in English:

AB3

Syllabification: AB

noun

A human blood type (in the ABO system) containing both the A and B agglutinogens. In blood transfusion, a person with blood of this group is a potential universal recipient.

Definition of Ab in:

There are 4 main definitions of Ab in English:

AB4

Syllabification: AB

abbreviation

1Able seaman; able-bodied seaman.
[from able-bodied]
1.1US Bachelor of Arts.
[from Latin Artium Baccalaureus]
1.3 Baseball At bat.

Definition of Ab in: