Lewis Short
(adjective) : stagnōsus, a, um, stagnum
* Full of standing waters or pools (post-Aug.): Liternum,Sil. 6, 653: loca,App. Herb. 8.— Absol.: stagnosa et referta salicibus,places full of pools,Amm. 17, 13, 4.
Charlton T. Lewis, Charles Short, A Latin Dictionary