sea squirt
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sea squirt
n.
Any of various solitary or colonial sedentary tunicates of the class Ascidiacea, having a sac-shaped body with two siphons. Also called ascidian.
[From its habit of squirting water when disturbed.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
sea squirt
n
(Animals) any minute primitive marine animal of the class Ascidiacea, most of which are sedentary, having a saclike body with openings through which water enters and leaves. See also ascidian
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
sea′ squirt`
n.
any of several attached tunicates of the class Ascidiacea, that, on contraction, eject a stream of water.
[1840–50]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
sea squirt
Any of various primitive sea animals having a transparent, sac-shaped body with two siphons. Sea squirts pump water through the siphons and filter it with gill-like structures to catch food particles. Sea squirts belong to the group known as tunicates.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Noun | 1. | ![]() ascidian - minute sedentary marine invertebrate having a saclike body with siphons through which water enters and leaves |
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