river flowing from E Turkey along the S border of Armenia & Azerbaijan, into the Kura River and the Caspian Sea: c. 600 mi (966 km)
See Araks in American Heritage Dictionary 4
(ə-räksˈ) or A·ras(ə-räsˈ) Formerly A·rax·es(ə-răkˈsēz)
A river rising in northeast Turkey and flowing about 965 km (600 mi) eastward, forming much of the border between Turkey and Armenia and between Azerbaijan and Iran before emptying into the Caspian Sea.