Noun blackberry bush has 1 sense
  1. blackberry, blackberry bush - bramble with sweet edible black or dark purple berries that usually do not separate from the receptacle
    --1 is a kind of bramble bush
    --1 has particulars:
     true blackberry, Rubus fruticosus; sand blackberry, Rubus cuneifolius; dewberry, dewberry bush, running blackberry; western blackberry, western dewberry, Rubus ursinus
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