1.nounThe blackcurrant plant, Ribes nigrum; the flavor of its berries
2.nounA liqueur made from these berries, especially crème de cassis.
"Cassis and soda is a popular drink."
3.noun(chiefly US) A wine flavor note, suggesting the fruity and full-bodied characteristics of the fruit; mostly referred to as simply blackcurrant in the UK, where the fruit is common.