A prescribed course of medical treatment, way of life, or diet for the promotion or restoration of health. The doctor recommended a strict regimen of exercise and healthy eating to improve his condition.
Any systematic course of action, procedure, or program designed to achieve a particular result. The coach devised a rigorous training regimen to prepare the team for the championship.
Government, rule, or system of management and control (archaic). Under the colonial regimen, local traditions were strictly regulated.