A port and industrial city in south-western Russia, on the River Don near its point of entry into the Sea of Azov; population 1,048,700 (est. 2008). The city is built around a fortress erected by the Turks in the 18th century. Full name Rostov-on-Don.
Definition of Rostov in US English:
Rostov
proper nounˈrästäv
A port and industrial city in southwestern Russia, on the Don River near its point of entry into the Sea of Azov; population 1,048,700 (est. 2008). Full name Rostov-on-Don.