noun orsk a city in the S Russian Federation in Europe, on the Ural River. 1
noun orsk city in SE European Russia, on the Ural River: pop. 275,000 0
noun orsk a city in W Russia, on the Ural River: a major railway and industrial centre, with an oil refinery linked by pipeline with the Emba field (on the Caspian). Pop: 247 000 (2005 est) 0
