Pronunciation: (mos'kō or, for 1, 2, -kou),[key] —n. 1. Russian, Moskva. a city in and the capital of the Russian Federation, in the W part: capital of the former Soviet Union. 8,967,000.
2. Also called Grand Duchy of Moscow. Muscovy (def. 1).
3. a city in W Idaho. 16,513.