encephalartos n 1: any of numerous cycads of the genus Encephalartos having stout cylindrical trunks and a terminal crown of long often spiny pinnate leaves
encephalartos \encephalartos\ n. any of numerous cycads of the genus {Encephalartos} having stout cylindrical trunks and a terminal crown of long, often spiny pinnate leaves. [WordNet 1.5]