coleorhiza: Meaning and Definition of

co•le•o•rhi•za

Pronunciation: (kō"lē-u-rī'zu, kol"ē-), [key]
— pl. -zae
  1. the sheath that envelops the radicle in certain plants and that is penetrated by the root in germination.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.