I. In waving motion, waving, vibrating, tremulous: “silvae,” Verg. A. 1, 164: “ilices,” id. ib. 12, 701.—Humorously: “omnia corusca prae tremore fabulor,” i. e. trembling, Plaut. Rud. 2, 6, 42.—
II. Flashing, gleaming, glittering: “fulgura,” Lucr. 5, 296.—So of lightning: “ignis,” Lucr. 6, 203; Hor. C. 1, 34, 6: “lumina,” Lucr. 6, 283.—Also: vis fulminis, Poët. ap. Cic. Tusc. 2, 9, 21: “sol,” Verg. G. 1, 234; cf.: “radii (solis),” Ov. M. 1, 768: “lampades,” id. ib. 12, 247: “viri ferro auroque,” Stat. Th. 4, 9; cf. “in Greek constr.: cristis capita alta corusci,” Verg. A. 9, 678. —
B. Transf., brilliant, ἐνθύμημα, Gell. 17, 20, 4.—Subst.: cŏruscum , i, n., lightning, Venant. 3, 4.