Iūlus (trisyl.) (Jūl-), i, m., = Ἴουλος. The son of Ascanius and grandson of Aeneas, whom the gens Julia regarded as their ancestor, Verg. A. 1, 288; Ov. M. 14, 583; Juv. 8, 42.

— Hence, Iūlēus, (Jūl-), a, um, adj., named from Iulus, son of Aeneas, Iulian: mons, i. e. Albanus, Mart. 13, 108, 2: Iūlēi avi, Ov. F. 4, 124.

— Originating from Julius Caesar. Relating to Caesar and his family: Iuleae Calendae, the first of July, Ov. F. 6, 797: Iulea carina, the fleet of Augustus, Prop. 4 (5), 6, 17.

— Imperial: oliva, the garland of olive boughs given by Domitian, Mart. 9, 36, 9: habenae, the imperial power, id. 9, 102, 15.

— Jūlus (dissyl.), praenomen of Antonius, son of the triumvir M. Antonius, Hor. C. 4, 2, 2.