Pronunciation: (ärch'dē'kun), [key]
1. 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.
2. Rom. Cath. Ch.a title of honor conferred only on a member of a cathedral chapter.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.