Ministry(n.) The act of ministering; ministration; service.
Ministry(n.) Agency; instrumentality.
Ministry(n.) The office, duties, or functions of a minister, servant, or agent; ecclesiastical, executive, or ambassadorial function or profession.
Ministry(n.) The body of ministers of state; also, the clergy, as a body.
Ministry(n.) Administration; rule; term in power; as, the ministry of Pitt.

Words within ministries