sea cucumber

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noun

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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sea cucumber

British Dictionary definitions for sea cucumber

sea cucumber


noun

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 for sea cucumber

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

Science definitions for sea cucumber

sea cucumber


See holothurian.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.