from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of various sedentary tunicates of the class Ascidiacea, having a transparent sac-shaped body with two siphons. Also called ascidian.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any sessile tunicate, of the class Ascidiacea, which squirts water from two openings when touched; they are filter feeders
from the GNU version of the Collaborative International Dictionary of English
- An ascidian. See Illust. under tunicata.
from The Century Dictionary and Cyclopedia
- n. Any ascidian or tunicate: so called from their squirting water when they contract.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. ascidian that can contract its body and eject streams of water
From its habit of squirting water when disturbed.(American Heritage® Dictionary of the English Language, Fourth Edition)