regime

noun

1. Mode of rule or management.

   a prison regime

2. A form of government, or the government in power.

   a capitalist regime

3. A period of rule.

4. A regulated system; a regimen.

   Heaven will eliminate the tyrannical regimes.

5. A division of a Mafia crime family, led by a caporegime.

6. A set of characteristics.

   A typical annual water level regime would include a gradual summer drawdown beginning in early May.