AḤA BAR RAV (end fourth century and beginning fifth century C.E.), Babylonian amora. He was a pupil of Ravina I. Many of his opinions were reported by his grandson R. Meshariyya, who belonged to the school of the *savoraim. The quotations in the Talmud reveal the wide gamut of halakhic problems in which Aḥa was interested. He disputed with Ravina with regard to ritual slaughter (Ḥul. 33a), about liability for damages (Sanh. 76b), and concerning the right of a firstborn to a double portion of the inheritance, including loans due to the deceased (BB 124b).
Hyman, Toledot, S.V.