Dictionary
ceph•a•lo•chor•date
Pronunciation: (sef"u-lō-kôr'dāt), [key]—
adj.
belonging or pertaining to the Cephalochordata.
—
n.
any chordate animal of the subphylum Cephalochordata, having fishlike characters but lacking a spinal column, comprising the lancelets.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.