Definition of ecu
(Entry 1 of 2)
: any of various old French units of value
also
: a coin representing an ecu
Definition of ecu (Entry 2 of 2)
: a money of account based on the currency units of members of the European Union from 1979 up to the introduction of the euro in 1999
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Time Traveler for ecu
The first known use of ecu was circa 1593
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