1) River in Romania 2) River in Rumania 1) European watercourse 2) European waterway 3) European river 4) Long waterway 5) Long watercourse 6) Long European river 7) Long river 8) Long European watercourse 9) Long European waterway 10) Major watercourse 11) Major watercourse in Europe 12) Major European watercourse 13) Major river 14) Major waterway 1) International river of Europe 
• (pl. ) of Mus
a river in SE central Europe, flowing W from the Carpathian Mountains in central Rumania to the Tisza River in S Hungary. 400 mi. (645 km) long. Hungarian,Rumanian,