Lewis & Short

Pălātĭum (Pāl- or Pall-, Mart. 1, 70, 5; 9, 102, 13), ĭi, n., = Παλάτιον, Παλλάντιον [root pa-, to protect, nourish; Sanscr. pala, shepherd; cf. Gr. αἰ-πόλος οἰο-πόλος;

  1. I. Lat. pasco], one of the seven hills of Rome, that which was first built upon, Varr. L. L. 5, § 53 Müll.; cf.: Palatium id est mons Romae, appellatus est, quod ibi pecus pascens balare consueverit, vel quod palare, id est errare, ibi pecudes solerent; alii, quod ibi Hyperborei filia Palanto habitaverit, quae ex Hercule Latinum peperit, alii eundem, quod Pallas ibi sepultus sit, aestimant appellari, Fest. p. 220 Müll.
    Augustus had his residence on the Palatine; hence, since the Aug. period,
    1. B. Transf.: pălātĭum, ii, n., a palace: palatia fulgent, Ov. A. A. 3, 119: secreta palatia matris, the temple of Cybele, Juv. 9, 23: magni palatia caeli, the palace of the sky (of the seat of Jupiter), Ov. M. 1, 176; Vulg. 3 Reg. 16, 18 et saep.
  2. II. Deriv. Pălātīnus (Pāl- or Pall-, Mart. 8, 39, 1; 9, 24, 1; 9, 79, 2; 9, 86, 7; 11, 8, 5; 13, 91, 1), a, um, adj., of or belonging to the Palatium, Palatine: pastores, Varr. L. L. 5, § 54 Müll.: Evander, Verg. A. 9, 9: colles, Ov. M. 15, 560: aves, the vultures which Remus saw on the Palatium, id. F. 5, 152: Apollo, so called because he had a temple on the Palatine Hill, built by Augustus, in which also was a library founded by him, Hor. Ep. 1, 3, 17; Suet. Aug. 29: dei, Mart. 5, 19, 4: ludi, which Livia caused to be celebrated in honor of Augustus, Suet. Calig. 56: colossus, the colossal statue of Nero, on the Palatium, Mart. 8, 60, 1; cf. Suet. Ner. 31; id. Vesp. 18: Palatina pars urbis, the tenth region, also called simply Palatina, Plin. 18, 3, 3, § 13: Palatina tribus, one of the four city tribes: Calvu’ Palatina vir nobilis ac bonu’ bello, Lucil. ap. Non. 462, 28: C. Claudius C. F. Palatina, Cic. Verr. 2, 2, 43, § 107; Inscr. Grut. 36, 11 et saep.
    Subst.: Pălātīni,ōrum, m., the people of the Palatine Mount, Col. 1, 3, 7.
    1. B. Transf., of or belonging to the imperial palace, imperial: palatina laurus, which stood in front of the imperial palace, Ov. F. 4, 953: atriensis, Suet. Calig. 57: domus, id. Aug. 29: cubile, Juv. 6, 117: officia, offices about the court, Aur. Vict. Ep. 14 fin.; Treb. Gall. 17.
      As subst.: Pălātīnus, i, m., an officer of the palace, a chamberlain: Parthenius palatinus, Domitian’s chamberlain, Mart. 4, 45, 2; cf. id. 8, 28: Tonans, i. e. Domitian, id. 9, 40, 1.