Lewis & Short

Dŏmĭtĭānus, i, m., T. Flavius, a Roman emperor, son of Vespasian, and brother of Titus, who reigned 81-96 A.D., Suet. Dom. passim; Tac. H. 3, 86.
Hence, Dŏ-mĭtĭānus, a, um, adj.: via, a road constructed by him, a branch of the Via Appia, running from Sinuessa to Puteoli, Stat. S. 4 praef.; id. ib. 4, 3: mensis, i. e. October, in which the Emperor Domitian was born, Suet. Dom. 13.