/ Thesaurus / B Synonyms of balsa wood Find synonyms for: Noun1. balsa, balsa wood, woodusage: strong lightweight wood of the balsa tree used especially for floatsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language