The Collaborative International Dictionary of English v.0.48:
Archiepiscopal \Ar`chi*e*pis"co*pal\, a. [Pref. archi- + episcopal.] Of or pertaining to an archbishop; as, Canterbury is an archiepiscopal see. [1913 Webster]WordNet (r) 3.0 (2006):
archiepiscopal adj 1: of or associated with an archbishop; "an archiepiscopal see" [syn: archiepiscopal, archepiscopal]