Lewis Short
(adjective) : Simbrŭvĭum, ii, n.
* A district in Latium, abounding in hills and springs of water, Sil. 8, 371.—Hence, Simbrŭīnus, a, um, , of or belonging to Simbruvium: colles,Tac. A. 11, 13: stagna,id. ib. 14, 22.
Charlton T. Lewis, Charles Short, A Latin Dictionary