Lewis Short
(adjective) : plŭvĭus, a, um, pluo
* Rainy, causing or bringing rain, rain- (class.): SI AQVA PLVVIA NOCET, rain-water, Fragm. XII. Tab.; cf. aquae,Cic. Mur. 9, 22; id. Top. 9, 38: tempestates,Cato, R. R. 2, 3: caelum,Varr. R. R. 1, 13, 2: Hyades,rain-bringing,Verg. A. 3, 516: venti,Hor. C. 1, 17, 4: rores,rain,id. ib. 3, 3, 56: arcus,rainbow,id. A. P. 18: Juppiter,who dispenses rain,Tib. 1, 8 (7), 26 (cf.: Juppiter uvidus,Verg. G. 1, 418, and Ζεὺς ἰκμαῖος): dies,Col. 2, 15: caeli status,id. 2, 10: nomen,Plin. 2, 39, § 106.—Hence, subst.: plŭvĭum, ii, n., = impluvium, q. v., the inner court of a dwelling, Ter. Eun. 3, 5, 41.
Charlton T. Lewis, Charles Short, A Latin Dictionary