Lewis Short
Voltinĭa trĭbus | Voltinĭenses (noun M) :
* One of the Roman tribes, of unknown locality, Cic. Planc. 16, 38; 17, 43; Inscr. Grut. 418, 3; 48, 11.— Hence, , , m., the people of the Voltinian tribe, Cic. Planc. 17, 43.
Charlton T. Lewis, Charles Short, A Latin Dictionary