What is the meaning of heart urchin?

noun

  • Sea urchin having a heart-shaped body in a rigid spiny shell. .
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). heart urchin. Retrieved September 26, 2026, from http://smartdefine.org/heart_urchin/definitions/1199226
ChicagoWordNet. 2010. "heart urchin" http://smartdefine.org/heart_urchin/definitions/1199226 (accessed September 26, 2026).
HarvardWordNet 2010, heart urchin, Smart Define, viewed 26 September, 2026, <http://smartdefine.org/heart_urchin/definitions/1199226>.
MLAWordNet. "heart urchin" 23 October 2010. Web. 26 September 2026. <http://smartdefine.org/heart_urchin/definitions/1199226>