Lewis & Short

Căpĭtōlīnus, a, um, adj. [Capitolium], of or pertaining to the Capitol, Capitoline: clivus, Cic. Rab. Perd. 11, 31: sedes, id. Div. 1, 12, 19; 2, 20, 45: collis, Mart. 12, 21: area, Suet. Calig. 22; 34; Gell. 2, 10, 2.
Of Jupiter, Auct. Dom. 57, 144; Suet. Caes. 84; id. Aug. 30; 91; 94; id. Tib. 53; id. Dom. 4: dapes, that was given to Jupiter, Mart. 12, 48: Venus, Suet. Calig. 7: amphora, q. v.: ludi, Liv. 5, 50, 4: certamen, Suet. Dom. 13; cf. id. ib. 4: quercus, a crown of oak given to victors in the Capitoline games, Juv. 6, 387.

  1. B. Subst.
    1. 1. Căpĭtōlīnus, i, m., the Capitoline Hill, Auct. Her. 4, 32, 43.
    2. 2. Căpĭtōlīni, ōrum, m., persons who had the charge of these games, Cic. Q. Fr. 2, 5, 2.
      In sing., a cognomen of M. Manlius, on account of his rescue of the Capitol, Aur. Vict. Vir. Ill. 24.