| oregon grape | (n) small shrub with grey-green leaves and yellow flowers followed by glaucous blue berries, Syn. Mahonia nervosa |
| oregon grape | (n) ornamental evergreen shrub of Pacific coast of North America having dark green pinnate leaves and racemes of yellow flowers followed by blue-black berries, Syn. holly-leaves barberry, hollygrape, Mahonia aquifolium, mountain grape, Oregon holly grape |
| Oregon grape | (Bot.) An evergreen species of barberry (Berberis Aquifolium), of Oregon and California; also, its roundish, blue-black berries. [ 1913 Webster ] |