coleorhiza Hear it!

coleorhiza definition

co·leo·rhiza (kō′lē ō rī′zə, käl′ē-)

noun pl. coleorhizae -·zae′ (-zē′)

a protective root sheath of grass seedlings through which the primary root emerges

Etymology: ModL < Gr koleos, sheath + rhiza, root

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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