blackberry (noun) /ˈblækbɛɹi/
1
A fruit-bearing shrub of the aggregate species Rubus fruticosus and some hybrids.
2
The soft fruit borne by this shrub, formed of a black (when ripe) cluster of drupelets.
blackberry (verb) /ˈblækbɛɹi/
1
To gather or forage for blackberries.