an·cien ré·gime 
(äɴ-syăɴ rā-zhēm)
(äɴ-syăɴ rā-zhēm)n.
1. The political and social system that existed in France before the Revolution of 1789.
2. pl. an·ciens ré·gimes (äɴ-syăɴ rā-zhēm) A sociopolitical or other system that no longer exists.
[French : ancien, old + régime, regime.]