1. 
2. 
[syn: blackberry, blackberry bush]
VERB (1)
1.  pick or gather blackberries; 
- Example: "The children went blackberrying"
The Collaborative International Dictionary of English v.0.48:
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]
WordNet (r) 3.0 (2006):
blackberry
    n 1: large sweet black or very dark purple edible aggregate
         fruit of any of various bushes of the genus Rubus
    2: bramble with sweet edible black or dark purple berries that
       usually do not separate from the receptacle [syn:
       blackberry, blackberry bush]
    v 1: pick or gather blackberries; "The children went
         blackberrying"