cassis

The blackcurrant plant, Ribes nigrum; the flavor of its berries.

A liqueur made from these berries, especially crème de cassis.

Cassis and soda is a popular drink.

The bartender looked at her malevolently for a moment, shook his head, and walked away to mix the drink. "I never had one of those, those vermouth cassises," Freddie said.

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.