/ Thesaurus / S Synonyms of sorrel tree Find synonyms for: Noun1. sorrel tree, sourwood, titi, Oxydendrum arboreum, angiospermous tree, flowering treeusage: deciduous shrubby tree of eastern North America having deeply fissured bark and sprays of small fragrant white flowers and sour-tasting leaves2. sorrel tree, Hibiscus heterophyllus, hibiscususage: Australian tree with acid foliageWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language