[ koh-lee-uh-rahy-zuh, kol-ee- ]
/ ˌkoʊ li əˈraɪ zə, ˌkɒl i- /
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noun, plural co·le·o·rhi·zae [koh-lee-uh-rahy-zee, kol-ee-]. /ˌkoʊ li əˈraɪ zi, ˌkɒl i-/. Botany.
the sheath that envelops the radicle in certain plants and that is penetrated by the root in germination.
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Origin of coleorhiza
1865–70; <New Latin <Greek koleó(n) sheath, scabbard + rhízaroot1
Words nearby coleorhiza
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for coleorhiza
The sheath which envelopes the radicle is called coleorhiza and that of the plumule, pileole or germ-sheath.A Handbook of Some South Indian Grasses|Rai Bahadur K. Ranga Achariyar
British Dictionary definitions for coleorhiza
/ (ˌkɒlɪəˈraɪzə) /
noun plural -zae (-ziː)
a protective sheath around the radicle in grasses
Word Origin for coleorhiza
C19: from New Latin, from Greek koleon sheath + rhiza root
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012