transitive. To disband, dismiss, etc.; = cashier, v. 1.

To throw or set aside, reject, discard; esp. to set aside as disqualified; to reject (horses) as unfit; to dismiss (soldiers, etc.).

To dismiss from a position of command or authority; to depose. (In the army and navy involving… Military.

transitive. U.S. to muster into service: to enrol into military service. to muster out of service: to summon together (soldiers, etc.) in order to…

transitive. To compel (a person) to leave active military service. Later also: to remove (a person) from office or employment, esp. before the usual…

Chiefly slang. transitive. U.S. Military. To require (an officer) to retire.