an ecclesiastic, ranking next below a bishop and having charge of the temporal and external administration of a diocese, with jurisdiction delegated from the bishop.
Roman Catholic Church. a title of honor conferred only on a member of a cathedral chapter.
Origin: before 1000; Middle English archideken, Old English arcediacon Related forms
< Late Latin archidiāconus
< Greek archidiā́konos.
archdeaconate, archdeaconship, noun