The fruit of several species of bramble (Rubus); also, the plant itself. Rubus fruticosus is the blackberry of England; R. villosus and R. Canadensis are the high blackberry and low blackberry of the United States. There are also other kinds.
- Any of various shrubs of the genus Rubus, having usually prickly stems, compound leaves, and an aggregate fruit of small drupelets.
- The fruit of these plants, usually black, purple, or deep red.