Blackcurrant. Cassis is also an abbreviation for crème de cassis, a liqueur which is distilled from blackcurrants, particularly in Dijon, used in kir. There is also a white wine called Cassis.
A crisp, dry AOC white wine made in the neighbourhood of Cassis in Provence, also producing red wine. It is also blackcurrant.
Blackcurrant fruit paste filled with blackcurrent liqueur. It is also blackcurrant puree.
Morsels of food, often topped with pastry or duchesse potatoes, served in a dish of the same name for either hors d’oeuvres or dessert. It is essentially a caisse with a handle.