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Any of various cucumber-shaped echinoderms of the class Holothuroidea, characteristically having tentacles surrounding the mouth and a flexible body with tube feet usually arranged in longitudinal rows. Also called holothurian.
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.
(Animals) any echinoderm of the class Holothuroidea, having an elongated body covered with a leathery skin and bearing a cluster of tentacles at the oral end. They usually creep on the sea bed or burrow in sand
[C17: so named because of its cucumber-like shape]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
any echinoderm of the class Holothuroidea, having a long, body and tentacles around the mouth.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Any of various invertebrate sea animals related to starfish and sea urchins, having a rough cucumber-shaped body and a mouth surrounded by tentacles. To distract an attacking predator, a sea cucumber can expel some of its internal organs, which later grow back.
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.||sea cucumber - echinoderm having a flexible sausage-shaped body, tentacles surrounding the mouth and tube feet; free-living mud feeders|
echinoderm - marine invertebrates with tube feet and five-part radially symmetrical bodies
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