- the sheath that envelops the radicle in certain plants and that is penetrated by the root in germination.
Origin of coleorhiza
1865–70; < New Latin < Greek koleó(n) sheath, scabbard + rhíza root1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a protective sheath around the radicle in grasses
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