Lewis & Short

Volsci, ōrum, m., the most considerable people in Latium, the Volsci, Volscians, Mel. 2, 4, 2; Liv. 1, 53; 2, 22 sq.; 3, 6 sq.; Cic. Brut. 10, 41; id. Balb. 13, 31; id. Off. 1, 11, 35; Verg. G. 2, 168 al.
Hence, Volscus, a, um, adj., of or belonging to the Volsci, Volscian: ager, Liv. 10, 1, 2: gens, Cic. Rep. 3, 4; Verg. A. 7, 803.
* Adv.: Volscē, after the manner of the Volsci: qui Obsce et Volsce fabulantur: nam Latine nesciunt, Titin. ap. Fest. s. v. obscum, p. 189 Müll.