true blackberry is a noun meaning "the true blackberry of Europe as well as any of numerous varieties having sweet edible black or dark purple berries". It carries one recorded sense.
the true blackberry of Europe as well as any of numerous varieties having sweet edible black or dark purple berries
Definitions, synonyms and semantic relations for true blackberry come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.