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sea cucumber

any echinoderm of the class Holothuroidea, having a long, leathery body with tentacles around the anterior end.
Origin of sea cucumber
First recorded in 1595-1605 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for sea cucumber
Historical Examples
  • Or was Doris the sea cucumber, which turns itself inside out in moments of alarm?

    Mortal Coils Aldous Huxley
  • The bche-de-mer is a curious kind of sea-slug, rather like a sea cucumber.

    The Last Voyage Lady (Annie Allnutt) Brassey
  • The beche-de-mere, or "sea cucumber," is a product of Australasian and Malaysian waters.

    Commercial Geography Jacques W. Redway
British Dictionary definitions for sea cucumber

sea cucumber

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
Word Origin
C17: so named because of its cucumber-like shape
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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sea cucumber in Science
sea cucumber  
See holothurian.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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