ascidian Hear it!

ascidian definition

as·cid·ian (ə sid′ē ən)

noun

any of a class (Ascidiacea) of fixed tunicates; sea squirt

Etymology: < ModL < Gr askidion: see ascidium

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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