ascidian: Meaning and Definition of


Pronunciation: (u-sid'ē-un), [key]
— Zool. Zool.
  1. any solitary or colonial tunicate of the class Ascidiacea, exhibiting in the larval stage the vertebrate characteristics of a notocord and hollow nerve cord.
  1. belonging or pertaining to the class Ascidiacea.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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