Lewis & Short

dĭœcēsis, is, f., = διοίκησις.

  1. I. A governor’s jurisdiction, a district, Cic. Fam. 3, 8, 4 (ib. 13, 53 and 67, written as Greek); Cod. Theod. 7, 6, 3; Amm. 17, 7, 6.
  2. II. In eccl. Lat., a bishop’s jurisdiction, a diocese, Sid. Ep. 7, 6 med.; sometimes also a parish, id. ib. 9, 16.