Breadcrumb Home > Thesaurus > W Synonyms of willow oak Find synonyms for: Noun1. willow oak, Quercus phellos, oak, oak treeusage: medium to large deciduous oak of the eastern United States having long lanceolate leaves and soft strong woodWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: legerdemain Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language