noun
(also Av)
(in the Jewish calendar) the eleventh month of the civil and fifth of the religious year, usually coinciding with parts of July and August.
Origin
From Hebrew 'āḇ.
noun
A human blood type (in the ABO system) containing both the A and B antigens. In blood transfusion, a person with blood of this group is a potential universal recipient.
abbreviation
BiologyAntibody.
abbreviation
1Able seaman.
2Alberta (in official postal use).
3US Bachelor of Arts.
Origin
From Latin Artium Baccalaureus.
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