n A fruit-bearing shrub of the aggregate species Rubus fruticosus and some hybrids.
n The soft fruit borne by this shrub, formed of a black (when ripe) cluster of drupelets.
n (UK, dialectal) The blackcurrant.
v To gather or forage for blackberries.
n A wireless handheld device, a cross between a cellphone and a mobile email appliance and Internet-capable PDA, marketed by BlackBerry Limited.
v To send a text message or e-mail with a BlackBerry device.