encephalartos

from The Century Dictionary.

• noun A genus of Cycadaceæ, having short cylindrical or spherical trunks, with a terminal crown of pinnate leaves, which have coriaceous, often spiny, leaflets.

from the GNU version of the Collaborative International Dictionary of English.

• noun any of numerous cycads of the genus Encephalartos having stout cylindrical trunks and a terminal crown of long, often spiny pinnate leaves.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun any of numerous cycads of the genus Encephalartos having stout cylindrical trunks and a terminal crown of long often spiny pinnate leaves