/ Thesaurus / P Synonyms of picrasma excelsa Find synonyms for: Noun1. Jamaica quassia, bitterwood, Picrasma excelsa, Picrasma excelsum, bitterwood treeusage: West Indian tree yielding the drug Jamaica quassiaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language