‖n. pl. [ LL., pl. of acephalus. See Acephal. ] 1. A fabulous people reported by ancient writers to have heads. [ 1913 Webster ]

2. (Eccl. Hist.) (a) A Christian sect without a leader. (b) Bishops and certain clergymen not under regular diocesan control. [ 1913 Webster ]

3. A class of levelers in the time of K. Henry I. [ 1913 Webster ]

n. One who acknowledges no head or superior. Dr. Gauden. [ 1913 Webster ]

{ , a. [ Mega- + Gr. kefalh` head. ] (Biol.) Large headed; -- applied to animals, and to plants when they have large flower heads. [ 1913 Webster ]