Lewis Short
(adjective) : septemvĭrālis, e, septemviri
* Of or belonging to the septemvirs, septemviral: auctoritas,Cic. Phil. 12, 9, 23.— Subst.: septemvĭrāles, ĭum, m., the septemvirs, Cic. Phil. 13, 12, 26.
Charlton T. Lewis, Charles Short, A Latin Dictionary