1. tunguska(n = noun.object) stony tunguska - a river in Siberia that flows northwest to become a tributary of the Yenisei River;
is a kind of river
is a part of siberia
2. tunguska(n = noun.object) lower tunguska - a river that arises to the north of Lake Baikal and flows north and west to the Yenisei River;
is a kind of river
is a part of siberia
3. tunguska(n = noun.object) angara, angara river, upper tunguska - a river in southeastern Siberia that flows northwest from Lake Baikal to become a tributary of the Yenisei River;
is a kind of river
is a part of siberia