urochordate

u·ro·chor·date

 (yo͝or′ə-kôr′dāt)

n.

A tunicate.

---

[uro- + chord (from the notochord present in the caudal region of tunicates' larval stage ) + -ate.]

---

u′ro·chor′date adj.

u•ro•chor•date

(ˌyʊər əˈkɔr deɪt)
adj.

1. having a urochord.

n.

2. tunicate.

[1945–50; < New Latin Urochordata; see uro-², chord¹, -ata]

Thesaurus

Noun

1.

urochordate - primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva tunicate, urochord chordate - any animal of the phylum Chordata having a notochord or spinal column subphylum Tunicata, subphylum Urochorda, subphylum Urochordata, Tunicata, Urochorda, Urochordata - tunicates ascidian - minute sedentary marine invertebrate having a saclike body with siphons through which water enters and leaves salp, salpa - minute floating marine tunicate having a transparent body with an opening at each end doliolum - free-swimming oceanic tunicate with a barrel-shaped transparent body larvacean - any member of the class Larvacea appendicularia - free-swimming tadpole-shaped pelagic tunicate resembling larvae of other tunicates