noun
Specifically refers to a Catholic archbishop. Compare with 大主教, which is used for Anglican or Orthodox archbishops.
See also: 大主教
彼はローマ・カトリック教会の大司教に任命された。
He was appointed archbishop of the Roman Catholic Church.
大主教 is used for archbishops in Anglican, Orthodox, and some other denominations, while 大司教 is specifically Catholic.
Compound of 大 (dai, 'great') + 司教 (shikyō, 'bishop'), a term used in the Catholic Church.