/ Thesaurus / R Synonyms of rattlesnake plantain Find synonyms for: Noun1. rattlesnake plantain, helleborine, orchid, orchidaceous plantusage: any of several small temperate and tropical orchids having mottled or striped leaves and spikes of small yellowish-white flowers in a twisted racemeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: abominable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language