Aventīnus, i, m. (Sc. mons.) The Aventine, one of the seven hills of Rome, extending from the Palatine to the Caelian Mount; until the reign of Ancus Marcius, without the city proper, Cic. Rep. 2, 18; Sen. Brev. Vit. 14; Gell. 13, 4. The origin of the name is uncertain; acc. to Liv. 1, 3, 9, it was named from Aventinus, an Alban king buried there; other etymologies are given by Varr. L. L. 5, § 43 Mull.; cf. Serv. ad Verg. A. 7, 657, where, beside the etymologies given and referred to, another is given from Varro; cf. Creuz, Antiq. p. 23 sq.; Smith, Dict. Antiq.

—Neutr.: Aventī-num, i, Liv. 1, 33, 1 and 5; 21, 62, 8.

— Hence, The adjj., Aventīnus, a, um, of Mount Aventine: cacumen, Ov. F 4, 816: jugum, id. ib. 3, 884: arx, id. ib. 6, 728: humus, id. ib. 6, 82: Remus, because he consulted the auspices there (therefore its summit was called Remuria; v. Remurinus), Prop. 5, 1, 50: Diana, because she had there an ancient and very distinguished temple, id. 5, 8, 29; cf. Hor. C. S. 69; Mart. 12, 18, 3; 7, 73, 1.

— Aven-tīnensis (Fest. s. v. nesi, p. 165 Mull.) or Aventīniensis (Val. Max. 7, 3, 1), e, of or belonging to Mount Aventine: Diana, who had a temple upon the Aventine Hill

— A son of Hercules, Verg. A. 7, 657.