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)
   "The doctor prescribed a strict regime to manage the patient's diabetes";
   - regimen

1. A political and social system that no longer governs (especially the system that existed in France before the French Revolution)
   "The opulence of the ancien régime contrasted sharply with the poverty of the common people"

Derived forms: regimes

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

Encyclopedia: Regime