/ Thesaurus / A Synonyms of arum Find synonyms for: Noun1. arum, starch, amylumusage: starch resembling sago that is obtained from cuckoopint root2. arum, aroid, herb, herbaceous plantusage: any plant of the family Araceae; have small flowers massed on a spadix surrounded by a large spatheWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language