noun.
In Christian denominations, the area administered by an archbishop.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
the diocese of an archbishop
Word Usage
"Monsignor Giuseppe Ghiberti, president of the Turin archdiocese's commission on the Shroud, has said the Vatican, which owns the cloth, might consider a new round of scientific tests after the public display ends May 23."