Lewis Short
(adjective) : rŭīnōsus, a, um, ruina, of buildings.
* Tumbling down, going to ruin, ruinous (rare but class.): aedes, * Cic. Off. 3, 13, 54: parietes,Sen. Ira, 3, 35 fin. (better rimosos).—*
* Poet., transf., that has already fallen, ruined, in ruins: ruinosas occulit herba domos,Ov. H. 1, 56.—Plur. subst.: rŭīnōsa, ōrum, ruins: instaurare,Vulg. Ezech. 36, 33; 33, 27.
Charlton T. Lewis, Charles Short, A Latin Dictionary