coleorhiza

(kō′lē ō rī′zə, käl′ē-)

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

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

See coleorhiza in American Heritage Dictionary 4

noun pl. co·le·o·rhi·zae (-zē)

A protective sheath enclosing the embryonic root of grasses.

Origin:

Origin: New Latin

Origin: : Greek koleon, sheath; see kel-¹ in Indo-European roots

Origin: + Greek rhiza, root; see wrād- in Indo-European roots

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