|1.||any animal of the phylum Chordata, including the vertebrates and protochordates, characterized by a notochord, dorsal tubular nerve cord, and pharyngeal gill slits|
|2.||of, relating to, or belonging to the Chordata|
|[C19: from Medieval Latin chordata; see |
chordate chor·date (kôr'dāt', -dĭt)
An animal of the phylum Chordata, which includes all vertebrates.
|chordate (kôr'dāt') Pronunciation Key
Any of a large group of animals of the phylum Chordata, having at some stage of development a notochord (flexible spinal column) and nerve cord running along the back, a tail stretching above and behind the anus, and gill slits. Chordates probably evolved before the Cambrian Period and are related to the hemichordates, echinoderms, and chaetognaths. The vertebrates, tunicates, and cephalochordates are the three main groups of chordates.