eu meaning and definition

EU noun

Definition of Eu (noun)

1. a bivalent and trivalent metallic element of the rare earth group
   • synonyms: atomic number 63, europium
2. an international organization of European countries formed after World War II to reduce trade barriers and increase cooperation among its members
   • "he tried to take Britain into the Europen Union"
   • synonyms: Common Market, EC, EEC, Europe, European Community, European Economic Community, European Union