[re.gime] n [F regime, fr. L regimin-, regimen] (1776) 1 a: regimen 1 b: a regular pattern of occurrence or action (as of seasonal rainfall) c: the characteristic behavior or orderly procedure of a natural phenomenon or process
2. a: mode of rule or management b: a form of government "a socialist ~" c: a government in power "predicted that the new ~ would fall" d: a period of rule