Dĭoclētĭānus, i, m., C. Aurelius Valerius,
a Roman emperor from 284-305 A. D., Aurel. Vict. Caes. 38; id. Epit. 39; Eutrop. 9, 13 sq.; before his accession to the throne named Diocles, Aur. Vict. Ep. 39.