WordWeb Online

1. The organization that is the governing authority of a political unit
   "the regime reduced taxes";
   - government, authorities
    
2. (medicine) a systematic plan for therapy (often including diet)
   - regimen

1. A political and social system that no longer governs (especially the system that existed in France before the French Revolution)

Derived forms: regimes

Type of: plan, polity, program, programme [Brit, Cdn]

Encyclopedia: Regime