Meaning of ORDER in English
( n. )
An ecclesiastical grade or rank, as of deacon, priest, or bishop; the office of the Christian ministry; -- often used in the plural; as, to take orders, or to take holy orders, that is, to enter some grade of the ministry.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012