the, Also called Caucasus Mountains. a mountain range in Caucasia, between the Black and Caspian seas, along the border between the Russian Federation, Georgia, and Azerbaijan. Highest peak, Mt. Elbrus, 18,481 feet (5633 meters).
Also, Caucasia. a region between the Black and Caspian seas: divided by the Caucasus Mountains into Ciscaucasia in Europe and Transcaucasia in Asia.
Also called Caucasus Mountains. a mountain range in SW Russia, running along the N borders of Georgia and Azerbaijan, between the Black Sea and the Caspian Sea: mostly over 2700 m (9000 ft). Highest peak: Mount Elbrus, 5642 m (18 510 ft)
mountain range between Europe and the Middle East, from Gk. kaukhasis, said by Pliny ("Natural History," book six, chap. XVII) to be from a Scythian word similar to kroy-khasis, lit. "(the mountain) ice-shining, white with snow." But possibly from a Pelasgian root *kau- meaning "mountain."