Webster's Revised Unabridged Dictionary · 1913

Blackberry

Blackberry (blak"ber*ry) , noun

[Old English blakberye, Anglo-Saxon blacberie; blac black + berie berry.]

The fruit of several species of bramble (Rubus); also, the plant itself. Rubus fruticosus is the blackberry of England; Rubus villosus and Rubus Canadensis are the high blackberry and low blackberry of the United States. There are also other kinds.