urochord: Meaning and Definition of
u•ro•chord
Pronunciation: (yoor'u-kôrd"), [key]
— n. Zool.
- the notochord of an ascidian or tunicate, more conspicuous in the larva than in the adult and confined chiefly to the caudal region.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.