(1):

(n.) A district or a manor with lands and tenements appertaining thereto, under the control of a member of an order of knights who was called a commander; - called also a preceptory.

(2):

(n.) An assembly or lodge of Knights Templars (so called) among the Freemasons.

(3):

(n.) A district under the administration of a military commander or governor.

(4):

(n.) The office or rank of a commander.