1. (noun) a river in Siberia that flows northwest to become a tributary of the Yenisei River

• stony tunguska

2. (noun) a river that arises to the north of Lake Baikal and flows north and west to the Yenisei River

• lower tunguska

3. (noun) a river in southeastern Siberia that flows northwest from Lake Baikal to become a tributary of the Yenisei River

• angara
• angara river
• upper tunguska