ministry
min.is.try \'min-*-stre-\ n 1: MINISTRATION 2: the office, duties, or functions of a minister 3: the body of ministers of religion : CLERGY 4: AGENCY, INSTRUMENTALITY 5: the period of service or office of a minister or ministry often cap 6a: the body of ministers governing a nation or state from which a smaller cabinet is sometimes selected 6b: the group of ministers constituting a cabinet 7a: a government department presided over by a minister 7b: the building in which the business of a ministry is transacted
Webster's English Dictionary