/ Thesaurus / E Synonyms of eryngium aquaticum Find synonyms for: Noun1. button snakeroot, Eryngium aquaticum, herb, herbaceous plantusage: coarse prickly perennial eryngo with aromatic roots; southeastern United States; often confused with rattlesnake masterWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language