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magisterium

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magisterium /ˌmajəˈstirēəm, ˌmædʒəˈstɪriəm

▸ noun the teaching authority of the Roman Catholic Church, especially as exercised by bishops or the Pope.

▪ the official and authoritative teaching of the Roman Catholic Church.

– ORIGIN mid 19th century: Latin, ‘the office of master’, from magister (see magister).