Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A tunicate.

from The Century Dictionary.

  • Having a urochord, as an ascidian; belonging to the Urochorda.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun zoology Any marine invertebrate of the subphylum Urochordata; the sea squirts

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

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

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