n. The act of detaching, unfastening, or disconnecting.n. The state of being detached or apart; in recent use, a state of separation or withdrawal from association or relation with something.n. That which is detached; specifically, a body of troops selected or taken from the main army or body, and employed on some special service or expedition, or a number of ships taken from a fleet and sent on a separate service.n. An order detaching an officer from duty at a given station.