<p><strong>Noun</strong></p><ul><li>The Caucasus.</li><li>Also called Caucasus Mountains.</li><li>A mountain range in Caucasia, between the Black and Caspian seas, along the border between the Russian Federation, Georgia, and Azerbaijan.</li><li>Highest peak, Mt. Elbrus, 18,481 feet (5,633 meters).</li><li>Also Cau·ca·sia:<ul><li>A region between the Black and Caspian seas, divided by the Caucasus Mountains into Ciscaucasia in Europe and Transcaucasia in Asia.</li></ul></li></ul><p><strong>End of Response</strong></p>