coleorhiza

American

[koh-lee-uh-rahy-zuh, kol-ee-] / ˌkoʊ li əˈraɪ zə, ˌkɒl i- /

noun

Botany.

the sheath that envelops the radicle in certain plants and that is penetrated by the root in germination.

coleorhiza British

/ ˌkɒlɪəˈraɪzə /

noun

a protective sheath around the radicle in grasses

"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

Other Word Forms

Inflected Forms

noun

coleorhizae

plural

Etymology

Origin of coleorhiza

1865–70; < New Latin < Greek koleó ( n ) sheath, scabbard + rhíza root ¹

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023