Caucasus

[kaw-kuh-suh s] /ˈkɔ kə səs/
noun
1.
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).
2.
Also, Caucasia. a region between the Black and Caspian seas: divided by the Caucasus Mountains into Ciscaucasia in Europe and Transcaucasia in Asia.
British Dictionary definitions for Caucasus

Caucasus

/ˈkɔːkəsəs/
noun the Caucasus
1.
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)
2.
another name for Caucasia
Word Origin and History for Caucasus
n.

mountain range between Europe and the Middle East, from Latin Caucasus, from Greek kaukasis, said by Pliny ("Natural History," book six, chap. XVII) to be from a Scythian word similar to kroy-khasis, literally "(the mountain) ice-shining, white with snow." But possibly from a Pelasgian root *kau- meaning "mountain."

Caucasus in Culture
Caucasus [(kaw-kuh-suhs)]

Mountain range extending from the Black Sea southeast to the Caspian Sea, through extreme southern Russia, Georgia, Armenia, and Azerbaijan.

Note: It forms part of the traditional border between Europe and Asia.
Note: Oil is its major resource. In World War II, the Germans tried to seize or neutralize this resource but were driven back by the Soviets.