/ ˌɑːtʃˈbɪʃəp; NAmE ˌɑːrtʃ-/ noun
a bishop of the highest rank, responsible for all the churches in a large area :
the Archbishop of Canterbury (= the head of the Church of England)
For more information see the Cultural Guide
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WORD ORIGIN
Old English , from arch- chief + biscop (see bishop ), replacing earlier heah-biscop high-bishop .