Blackberry \Black"ber*ry\ (bl[a^]k"b[e^]r*r[y^]), n. [OE.
blakberye, AS. bl[ae]cberie; bl[ae]c 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.
[1913 Webster]