Definition of Heart Urchin in English :
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Heart Urchin meaning in English
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Heart Urchin
see synonyms of heart urchinNoun
1. heart urchin
sea urchin having a heart-shaped body in a rigid spiny shell
WordNet Lexical Database for English. Princeton University. 2010.
Heart Urchin
see synonyms of heart urchinnoun
any echinoderm of the genus Echinocardium, having a heart-shaped body enclosed in a rigid spiny test: class Echinoidea (sea urchins)
Collins English Dictionary. Copyright © HarperCollins Publishers
Heart Urchin
see synonyms of heart urchin any of an order (Spatangoida) of echinoid echinoderms with an elongated, somewhat heart-shaped shell
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.