/ Thesaurus / B Synonyms of balsam poplar Find synonyms for: Noun1. balsam poplar, hackmatack, tacamahac, Populus balsamifera, poplar, poplar treeusage: poplar of northeastern North America with broad heart-shaped leavesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language