Definition from Wiktionary, the free dictionary
cephalochordate (plural cephalochordates)
- Any of the primitive fishlike creatures, of the subphylum Cephalochordata, including the lancelets, that lack a true spine but have a notochord which, in the case of cephalochordates, reaches into the head, contrary to the Urochordata
cephalochordate (not comparable)
- Of or pertaining to these creatures.