DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   GATT
       n 1: a United Nations agency created by a multinational treaty
            to promote trade by the reduction of tariffs and import
            quotas [syn: General Agreement on Tariffs and Trade,
            GATT]