/ˈekju:; US ˈeɪkju: ||; ˈekju/(also ECU) (plural ecus;ecu) noun [C] (until 1999) money used for business and commercial activities between member countries of the European Union. Ecu is short for (European Currency Unit) 欧洲通货单位，欧洲货币单位（用至1999年） ☞Look at euro. 参看euro。