USSR

1 definition found

From WordNet (r) 2.0 [wn]:

  USSR
       n : a former communist country in eastern Europe and northern
           Asia; established in 1922; included Russia and 14 other
           soviet socialist republics (Ukraine and Byelorussia an
           others); officially dissolved 31 December 1991 [syn: {Soviet
           Union}, {Russia}, {Union of Soviet Socialist Republics}]