Third-person singular simple present indicative form of ab

(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.

(immunology) Antibody.

(title) Abbreviation of Abbot.

(automotive) Initialism of antilock braking system. / (organic chemistry) Initialism of acrylonitrile butadiene styrene.

simple past tense and past participle of ab

(slang, of a person) Having visible abdominal muscles; having abs. / (slang, of a person, in combination, by extension) Having abdominal muscles of a specified kind.

antibody