ARCHBISHOP
archbishop
(noun) a bishop of highest rank
Source: WordNet® 3.1
Etymology
Noun
archbishop
A senior bishop who is in charge of an archdiocese, and presides over a group of dioceses called a province (in Catholicism, Eastern Orthodoxy, Anglicanism, etc.)
Source: Wiktionary
Arch`bish"op, n. Etym: [AS. arcebisceop, arcebiscop, L.
archiepiscopus, fr. Gr. Bishop.]
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition