coleorhiza

 [koh-lee-uh-rahy-zuh, kol-ee-]  

co·le·o·rhi·za

   [koh-lee-uh-rahy-zuh, kol-ee-]
noun, plural co·le·o·rhi·zae  [-zee] . Botany.
the sheath that envelops the radicle in certain plants and that is penetrated by the root in germination.
Origin:
1865–70; < Neo-Latin < Greek koleó(n) sheath, scabbard + rhíza root1
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Coleorhiza is always a great word to know.
So is multicellular. Does it mean:
composed of several cells
phase in plant life which begins with a spore produced by meiosis
LEARN MORE UNUSUAL WORDS WITH WORD DYNAMO...
Collins
World English Dictionary
coleorhiza (ˌkɒlɪəˈraɪzə)
 
—n , pl -zae
a protective sheath around the radicle in grasses
 
[C19: from New Latin, from Greek koleon sheath + rhiza root]

Collins English Dictionary - Complete & Unabridged 10th Edition
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