/ Thesaurus / I Synonyms of indian arrowroot Find synonyms for: Noun1. pia, Indian arrowroot, Tacca leontopetaloides, Tacca pinnatifida, herb, herbaceous plantusage: perennial herb of East Indies to Polynesia and Australia; cultivated for its large edible root yielding Otaheite arrowroot starchWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language