Simbrŭvĭum, ii, n.,
I a district in Latium , abounding in hills and springs of water , Sil. 8, 371.
II —Hence, Simbrŭīnus , a, um, adj., of or belonging to Simbruvium : colles, Tac. A. 11, 13: stagna, id. ib. 14, 22.