holy orders

holy orders
1. the rite or sacrament of ordination.
2. the rank or status of an ordained Christian minister.
3. the major degrees or grades of the Christian ministry.
[1350-1400; ME]

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noun [plural]
: the position of a Christian priest, bishop, etc.

He took holy orders. [=became a priest]

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ˌholy ˈorders [holy orders] noun plural
the official position of being a priest

to take holy orders

(= to become a priest)

Useful english dictionary. 2012.