WordNet (r) 3.0 (2006):

Yugoslavia
    n 1: a mountainous republic in southeastern Europe bordering on
         the Adriatic Sea; formed from two of the six republics that
         made up Yugoslavia until 1992; Serbia and Montenegro were
         known as the Federal Republic of Yugoslavia until 2003 when
         they adopted the name of the Union of Serbia and Montenegro
         [syn: Serbia and Montenegro, Union of Serbia and
         Montenegro, Yugoslavia, Federal Republic of
         Yugoslavia, Jugoslavija]
    2: a former country of southeastern Europe bordering the
       Adriatic Sea; formed in 1918 and named Yugoslavia in 1929;
       controlled by Marshal Tito as a communist state until his
       death in 1980; "Tito's Yugoslavia included Slovenia, Croatia,
       Macedonia, Bosnia-Herzegovina, Serbia, and Montenegro"