madreporite Hear it!

madreporite definition

mad·re·por·ite (ma′drə pôr′īt′)

noun

a porous calcareous plate in most echinoderms, through which the sea enters the water-vascular system

Etymology: madrepore + -ite

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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