hydrorhiza: Meaning and Definition of

hy•dro•rhi•za

Pronunciation: (hī"dru-rī'zu), [key]
— pl. -zae
  1. the rootlike base of a hydroid colony, by which it is attached to the substratum.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.