A city in west Siberian Russia, in the eastern foothills of the Ural Mountains; population 560,000 (est. 2008). Founded in 1586, it is regarded as the oldest city in Siberia.
Definition of Tyumen in US English:
Tyumen
proper nountyo͞oˈmen
A city in west Siberian Russia, in the eastern foothills of the Ural Mountains; population 560,000 (est. 2008). Founded in 1586, it is thought to be one of the oldest cities in Siberia.