Church History= Acephalian. Also: †a priest who is not subject to the authority of a bishop (obsolete rare). Usually with capital initial.
An (imaginary) headless animal or person. Compare acephali. Now rare.
adjective
Having or recognizing no ruler, head, or chief; = "acephalous". Now rare.
((n.) One of the Acephala.)
Origin:
Late Middle English; earliest use found in John Trevisa (c1342–?1402), translator. As noun from post-classical Latin acephali, plural; as adjective from classical Latin acephalus.