A cheesecake topped with four boysenberries.
boysenberry definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
noun pl. boysenberries
a large berry, dark red or almost black when ripe, which is a cross of varieties of raspberry, loganberry, and blackberry
Origin: after Rudolph Boysen, United States horticulturist who developed it (c. 1935)
boysenberry definition by American Heritage Dictionary
- A prickly bramble of uncertain origin but ultimately derived from a western North American blackberry (Rubus ursinus).
- The edible, dark wine-red to nearly black fruit of this plant, having a taste suggestive of raspberries.
Origin: After Rudolph Boysen (died 1950), American botanist.