What does archbishop mean?
The definition of archbishop
Arch`bish”op, n.
Etym: [AS. arcebisceop, arcebiscop, L. archiepiscopus, fr. Gr. Bishop.]

A chief bishop; a church dignitary of the first class (often called a metropolitan or primate) who superintends the conduct of the suffragan bishops in his province, and also exercises episcopal authority in his own diocese.