Ministry Min"is*try, n.; pl. Ministries . [L. ministerium. See Minister, n., and cf. Mystery a trade.] 1. The act of ministering; ministration; service. ``With tender ministry.' --Thomson. 2. Hence: Agency; instrumentality. The ordinary ministry of second causes. --Atterbury. The wicked ministry of arms. --Dryden. 3. The office, duties, or functions of a minister, servant, or agent; ecclesiastical, executive, or ambassadorial function or profession. 4. The body of ministers of state; also, the clergy, as a body. 5. Administration; rule; term in power; as, the ministry of Pitt.