Collātia, ae, f., = Κολλατία, an ancient town of the Sabines, in the vicinity of Rome, now Castellaccio, Cic. Agr. 2, 35, 96; Liv. 1, 38, 1; 1, 57, 9 al.; Ov. F. 2, 733; 2, 785.

— Hence, Collātīnus, a, um, adj., of Collatia: populus, Liv. 1, 38, 2 (four times): arces, Verg. A. 6, 774 Heyne: porta, Paul. ex Fest. p. 37, 10 Mull.

—Subst.: Collātīni, ōrum, m., the inhabitants of Collatia, Liv. 1, 38, 1 (diff. from a people of the same name in Apulia, Plin. 3, 11, 16, § 105); and Collātīnus, cognomen of L. Tarquinius, husband of Lucretia, since he lived there, Liv. 1, 57, 6 sqq.: penetralia, of Collatinus, Ov. F. 2, 787.