%encrinoidea%

‖n. pl. [ NL. See Encrinus and -oid. ] (Zoöl.) That order of the Crinoidea which includes most of the living and many fossil forms, having jointed arms around the margin of the oral disk; -- also called Brachiata and Articulata. See Illusts. under Comatula and Crinoidea. [ 1913 Webster ]