the Maastricht Treaty
noun
POLITICSukusanagreementmade in 1992 by thecountriesof theEuropeanUniontocreateasingleeconomicmarketand theEuro(= theunitofmoneyused in mostEuropeanUnioncountries):
The Maastrichttreatyhas been called theblueprintfor Europe'seconomicandmonetaryunion.