abbās, ātis, m. [Chald. Abba, Heb. ab],
I the head of an ecclesiastical community, an abbot (eccl. Lat.), Sid. 16, 114; Inscr. Mommsen, 3485 (A. D. 468).
II —Hence, abbātissa , ae, f., an abbess , Inscr. Mommsen, 3896 (A. D. 570); and abbātĭa , ae, f., an abbey (eccl. Lat.), Hier.