The Collaborative International Dictionary
Autocephalous
Autocephalous \Au`to*ceph"a*lous\, a. [Gr. ? independent; ? self + ? head.] (Eccl. Hist.) Having its own head; independent of episcopal or patriarchal jurisdiction, as certain Greek churches.
Wiktionary
autocephalous
a. (context Christianity of a church or bishop English) Self-governing or autonomous: independent of other episcopal jurisdiction.