blackcurrant UK /ˈblækˌkʌɹənt/US /ˈblækˌkɜɹənt/ noun2 •The berry borne by this shrub.Their wines are intense and elegant, tasting of blackcurrants and made to be aged. — 2003 •A shrub, Ribes nigrum, that produces small, very dark purple, edible berries.Blackcurrant (Ribes nigrum) and guelder rose (Viburnum opulus) are frequent but alder buckthorn (Frangula alnus) a common constituent of East Anglian carr is very rare. — 1993 formsblackcurrants