Lewis Short
vīgintĭvĭrātus (noun M) : vigintiviri
* The office of the vigintiviri, the vigintivirate; for the distribution of lands, Cic. Att. 9, 2, 1; Quint. 12, 1, 16 Spald.—Of the inferior civil court, Tac. A. 3, 29.—Of a municipal court, Inscr. Orell. 3970.
Charlton T. Lewis, Charles Short, A Latin Dictionary