Breadcrumb Home > Thesaurus Cite Synonyms of rhizome Find synonyms for: Noun1. rhizome, rootstock, rootstalk, stalk, stemusage: a horizontal plant stem with shoots above and roots below serving as a reproductive structureWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.See also: rhizome (Dictionary) Related Content Daily Word Quiz: quisling Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language Synonyms Index