Lewis Short
(adjective) : sūdus, a, um, se-udus; cf.: sudum siccum quasi seudum id est sine udo, Fest. pp. 294 and 295 Müll.
* Without moisture, dry; and of the weather, cloudless, bright, clear (class.; cf. serenus).
* Adj.: ventorum flamina suda, Lucil. ap. Non. 31, 19: flamen venti,Varr. ib. 234, 7: ver,Verg. G. 4, 77: tempestas,App. de Deo Socr. p. 42, 27: splendor luminis,id. M. 11, p. 260, 30: cuncta specula vel uda vel suda videre,id. Mag. p. 283, 37.—Adverb.: sudum,brightly,Prud. Cath. 7, 79.
* Subst.: sūdum, i, n., bright, clear weather: cum sudum est,Plaut. Mil. 1, 1, 2: horologium mittam et libros, si erit sudum,Cic. Fam. 16, 18, 3: dum sudum est,Plaut. Rud. 1, 2, 35: arma Per sudum rutilare vident,Verg. A. 8, 529; Val. Fl. 2, 115.
* Somewhat moist = subudus; ardentia viscera adhuc suda de sanguine,Arn. 7, 3.
Charlton T. Lewis, Charles Short, A Latin Dictionary