Definition of acquis communautaire in English:

acquis communautaire

Pronunciation /aˌkiː kəˌm(j)uːnə(ʊ)ˈtɛː/

noun

  • The body of accumulated legislation and regulations of the European Union (formerly the European Community).

    New member states are required to accept the acquis communautaire before joining the European Union.

Origin

1970s; earliest use found in Common Market Law Review. From French acquis communautaire (not dated in dictionaries of French) from acquis knowledge resulting from experience + communautaire.