noun
A fruit-bearing shrub of the aggregate species Rubus fruticosus and some hybrids.
The soft fruit borne by this shrub, formed of a black (when ripe) cluster of drupelets.
(loosely, informal) Any Rubus berry that is black or blackish; the plant that produces it.
(UK, dialectal) The blackcurrant.
verb
To gather or forage for blackberries.