The Collaborative International Dictionary of English v.0.48:

Bosnia-Herzegovina \Bosnia-Herzegovina\ n.
   A country in the Balkan penninsula of southeastern Europe,
   formerly a part of Yugoslavia.

   Syn: Bosnia and Herzegovina. [WordNet 1.5]

WordNet (r) 3.0 (2006):

Bosnia-Herzegovina
    n 1: a mountainous republic of south-central Europe; formerly
         part of the Ottoman Empire and then a part of Yugoslavia;
         voted for independence in 1992 but the mostly Serbian army
         of Yugoslavia refused to accept the vote and began ethnic
         cleansing in order to rid Bosnia of its Croats and Muslims
         [syn: Bosnia and Herzegovina, Republic of Bosnia and
         Herzegovina, Bosna i Hercegovina, Bosnia-Herzegovina,
         Bosnia]