(chiefly historical) The East Slavic states descended from the Rus collectively, typically including Russia (Great Russia), Belarus (White Russia) and Ukraine (Little Russia or Kievan Russia); the Russian Empire. Especially in the title "Emperor (or Tsar or Czar) of All the Russias."

plural of Russia

A country in Eastern Europe and North Asia, bordering on the Pacific and Arctic Oceans and the Baltic, Black, and Caspian Seas; established as an independent country in 1991 upon the dissolution of the Soviet Union, it is the largest country in the world. Co-official name: Russian Federation, formerly the Russian Soviet Federative Socialist Republic (RSFSR) (among other names) from 1917 to 1991. Capital and largest city: Moscow.

Short for Russia leather.

plural of Little Russia

(archaic) Belarus, a country in Eastern Europe / (historical) a historical East Slavic region

(historical) A former principality in Eastern Europe.

(historical) The territory of the former Russian Empire inhabited by Ukrainians, approximately corresponding to modern central and eastern Ukraine.

An ethnic enclave populated primarily by Russians or people of Russian ancestry.

Dated form of Kievan Rus.