Definitions
1.nounA unit of armed troops under the command of an officer, and consisting of several smaller units; now specifically, usually composed of two or more battalions.
2.nounRule or governance over a person, place etc.; government, authority.
3.nounThe state or office of a ruler; rulership.
4.nounInfluence or control exercised by someone or something (especially a planet).
5.nounA place under a particular rule; a kingdom or domain.
6.nounA regimen.
7.verbTo form soldiers into a regiment.
8.verbTo systematize, or put in rigid order.