/ Thesaurus / P Synonyms of papilionoideae Find synonyms for: Noun1. Papilionoideae, subfamily Papilionoideae, rosid dicot familyusage: alternative name used in some classification systems for the family PapilionaceaeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ablution Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language