/ Dictionary / Index R rhizomorph: Meaning and Definition of Find definitions for: rhi•zo•morph Pronunciation: (rī'zu-môrf"), [key] — n. Mycol. a cordlike fusion of hyphae that leads certain fungi across various substrates like a root through soil. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rhizomorph (Thesaurus) rhizome rhizomorphous Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language