/ Thesaurus / C Synonyms of crotalaria sagitallis Find synonyms for: Noun1. American rattlebox, Crotalaria sagitallis, crotalaria, rattleboxusage: tropical American annual herb having an inflated pod in which the ripe seeds rattleWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language