/ Thesaurus / F Synonyms of fraxinus excelsior Find synonyms for: Noun1. European ash, common European ash, Fraxinus excelsior, ash, ash treeusage: tall ash of Europe to the Caucasus having leaves shiny dark-green above and pale downy beneathWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language