/ Thesaurus / G Synonyms of genus catalpa Find synonyms for: Noun1. genus Catalpa, asterid dicot genususage: a dicotyledonous genus of plants belonging to the family Bignoniaceae; has large flowers (white or mottled) and long terete podsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: fortuitous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language