Noun running blackberry has 1 sense
  1. dewberry, dewberry bush, running blackberry - any of several trailing blackberry brambles especially of North America
    --1 is a kind of blackberry, blackberry bush
    --1 is a member of Rubus, genus Rubus
    --1 has particulars:
     American dewberry, Rubus canadensis; Northern dewberry, American dewberry, Rubus flagellaris; Southern dewberry, Rubus trivialis; swamp dewberry, swamp blackberry, Rubus hispidus; European dewberry, Rubus caesius
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