/ Thesaurus / O Synonyms of oregon holly grape Find synonyms for: Noun1. Oregon grape, Oregon holly grape, hollygrape, mountain grape, holly-leaves barberry, Mahonia aquifolium, shrub, bushusage: ornamental evergreen shrub of Pacific coast of North America having dark green pinnate leaves and racemes of yellow flowers followed by blue-black berriesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language