/ Dictionary / Index R -rrhiza: Meaning and Definition of Find definitions for: -rrhiza Pronunciation: [key] var. ofas second element of compounds: mycorrhiza. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. -rrhexis -rrhoea Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language