/ Thesaurus / G Synonyms of genus rivina Find synonyms for: Noun1. Rivina, genus Rivina, caryophylloid dicot genususage: small genus of erect perennial shrubby herbs; tropical and subtropical AmericaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language