Definition of "ministry"

Government department, at the administrative level normally headed by a minister (or equivalent rank, e.g. secretary of state), who holds it as portfolio, especially in a constitutional monarchy, but also as a polity  examples

The complete body of government ministers (whether or not they are in cabinet) under the leadership of a head of government (such as a prime minister)  examples

A ministration  examples

The active practice and education of the minister of a particular religion or faith.  examples

(Christianity) The clergy of nonapostolic Protestant churches.  examples

(Christianity) Work of a spiritual or charitable nature.  examples