ceraunius, a, um, adj., = κεραύνιος (pertaining to thunder or lightning). Gemma (also ceraunium, Claud. Laud. Ser. 77; and: ceraunus, Prud. Psych. 470), a precious stone, perh. a kind of onyx, Plin. 37, 9, 51, § 134 sq.; or a meteoric stone, id. 37, 10, 65, § 176; Lampr. Elag. 21; Inscr. Orell. 2510: gemma, Mart. Cap. 1, §§ 67 and 75.

— Vites, of a red color, Col. 3, 2, 1: uvae, Isid. Orig. 17, 5, 17.

— Nom. propr.: Ceraunii, m. (Also Cerau-nia, ōrum, n., Verg. G. 1, 332; id. A. 3, 506; Prop. 1, 8, 19; and Ceraunum saxum, id. 2 (3), 16, 3.) Κεραύνια ὄρη, a ridge of mountains in Epirus, on the borders of Grecian Illyria, now Monti della Chimaera or Kimara, Mel. 2, 3, 10: a Cerauniis montibus, Plin. 15, 29, 36, § 119: Cerauniorum saxa, Caes. B. C. 3, 6; Suet. Aug. 17; Flor. 2, 9, 4.

— A mountain in Asia Minor, between the Black and Caspian Seas, Mel. 1, 19, 13; 3, 5, 4; called Ceraunius mons, Plin. 5, 27, 27, § 99; Mart. Cap. 6, § 683.

— Ceraunius saltus, a mountain in Libya, Mel. 3, 8, 10.