Definitions

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

  • n. A notochord limited to the caudal region, characteristic of the urochordates.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. a notochord that is limited to the caudal region; especially in the Urochordata
  • n. any marine organism of the Urochordata

from the GNU version of the Collaborative International Dictionary of English

  • n. The central axis or cord in the tail of larval ascidians and of certain adult tunicates.

from The Century Dictionary and Cyclopedia

  • n. The caudal chord of an ascidian or tunicate, likened to the notochord, chorda dorsalis, or dorsal chord of a vertebrate; the central axis of the appendage of certain adult tunicates, as an appendicularian, and the corresponding structure of embryonic or larval tunicates in general.
  • n. Any member of the Urochorda.

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

  • n. a notochord of a larval tunicate typically confined to the caudal region
  • n. 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-2 + chord2.

Examples

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