[hol-uh-thoo r-ee-uh n, hoh-luh-]
- any echinoderm of the class Holothuroidea, comprising the sea cucumbers.
- belonging or pertaining to the Holothuroidea.
Also hol·o·thu·ri·oid [hol-uh-thoo r-ee-oid] /ˌhɒl əˈθʊər iˌɔɪd/.
Origin of holothurian
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for holothurian
The Holothurian of our coast, excelling all the rest in beauty, is the Cuvieria.Seaside Studies in Natural History
Elizabeth Cabot Cary Agassiz
The perforation so formed, becomes the micropyle of the Holothurian egg, which was first discovered by Joh.The Works of Francis Maitland Balfour, Volume II (of 4)
Francis Maitland Balfour
- any echinoderm of the class Holothuroidea, including the sea cucumbers, having a leathery elongated body with a ring of tentacles around the mouth
- of, relating to, or belonging to the Holothuroidea
C19: from New Latin Holothūria name of type genus, from Latin: water polyp, from Greek holothourion, of obscure origin
- Any of various echinoderms of the class Holothuroidea, characterized by elongated bodies with tentacles around the mouth and five rows of tube feet. Holothurians are softer than other echinoderms because they lack spines and the skeleton is greatly reduced. Holothurians can extrude their internal organs to distract predators and grow a new set within a few weeks. Also called sea cucumber
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.