- a river in central Asia, flowing NW from the Altai Mountains in China through NE Kazakhstan and the Russian Federation to the Ob River. About 1,840 miles (2,960 km) long.
- a river in central Asia, rising in China in the Altai Mountains and flowing west through Kazakhstan, then northwest into Russia to join the Ob River as its chief tributary. Length: 4444 km (2760 miles)
