Lewis Short
(Subst.) : Cŏsa, ae (on coins also Cossa; access. form Cŏsae, ārum, Verg. A. 10, 168), f., = Κόσσα and Κόσσαι.
* An ancient town in Etruria, not far from the coast, now Ansedonia, above Orbitello, Mel. 2, 4, 9; Liv. Ep. 14; id. 22, 11, 6; Plin. 3, 5, 8, § 51; Vell. 1, 14, 6; Tac. A. 2, 39 al.—Hence
* Cŏ-sānus (Coss-), a, um, adj., of Cosa: litus,Plin. 3, 6, 12, § 81: portus,Liv. 22, 11, 6: praedia,Suet. Vesp. 2.
* A town in Lucania, in the territory of the Thurini, the same as Consa or Compsa, Caes. B. C. 3, 22 dub.
* The territory around Cosa, Caes. B. C. 1, 34.
* Cŏsā-ni, ōrum, m., the inhabitants of Cosa, Liv. 33, 24, 8.
Charlton T. Lewis, Charles Short, A Latin Dictionary