(informal) abdominal muscle.

Abbreviation of Alberta, a province of Canada. / Initialism of Artium baccalaureus.

Initialism of able seaman; able-bodied seaman. / Initialism of adult baby. / Initialism of afterburner. / Initialism of aid to the blind. / (military, aviation) Initialism of airbase.

Initialism of airborne. / Initialism of antiballistic. / (baseball) Initialism of at bat.

A surname from Japanese.

A diminutive of the male given name Abraham, from Hebrew.

(slang, US) A five-dollar bill.

(dated) In Egyptian belief, the heart and will and conscience of a person, especially that of the recently deceased which proceeds to the afterlife and is weighed as evidence during his or her judgement.

A diminutive of the male given name Abner, from Hebrew, occasionally used as a formal given name.

(Judaism) Av.