Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A usually prickly shrub that is a hybrid of a western North American blackberry (Rubus ursinus) and is cultivated for its edible, dark red to nearly black fruit.
  • noun The fruit of this plant.

from the GNU version of the Collaborative International Dictionary of English.

  • noun a cultivated hybrid bramble of California having large dark wine-red fruit with a raspberrylike flavor.
  • noun a large raspberry-flavored bramble fruit; a cross between blackberries and raspberries.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A hybrid berry created from crossing a blackberry, red raspberry and a loganberry.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun cultivated hybrid bramble of California having large dark wine-red fruit with a flavor resembling raspberries
  • noun large raspberry-flavored fruit; cross between blackberries and raspberries

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[After Rudolph Boysen, (1895–1950), American horticulturalist who first grew the hybrid.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Named after its creator Rudolf Boysen.

Examples

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