[ecu] n, pl ecus [MF, lit., shield, fr. OF escu, fr. L scutum; from the device of a shield on the coin--more at esquire] (ca. 1593): any of various old French units of value; also: a coin representing an ecu
[2]ecu n, often cap E&C&U [European Currency Unit (influenced by F ecu ecu)] (1970): a money of account based on the currency units of members of the European Community