Definition of urochordate in English:

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Pronunciation: /ˌyo͝orəˈkôrdət/ Pronunciation: /-ˌdāt/


A marine invertebrate of the group Urochordata, which comprises the tunicates.
Example sentences
  • Chordates are divided into urochordates, cephalochordates, and vertebrates.
  • For instance, adult urochordates are typically sessile, while many vertebrates are quite active.
  • Their report that urochordates are comprised of 4 discrete lineages holds interesting implications for understanding the evolution of tadpole morphology and chordate life history.


Relating to or denoting urochordates.
Example sentences
  • This suggests that the disruption observed is specific to the urochordate lineage.
  • These data further support the hypothesis that duplication and differentiation giving rise to cardiac and skeletal genes occurred following divergence of the urochordate and vertebrate ancestors.
  • The phylogenic analysis implies that the multiple actinin isoforms found in modern vertebrates arose after the divergence of the vertebrate and urochordate lineages.

For editors and proofreaders

Syllabification: u·ro·chor·date

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