Breadcrumb Home > Thesaurus > P Synonyms of pterospermum Find synonyms for: Noun1. Pterospermum, genus Pterospermum, dilleniid dicot genususage: genus of tropical Asian trees and shrubsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: temporize Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language