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A beverage made of sparkling Burgundy and champagne.
[Translation of German kalte Ente, a drink made from a mixture of still and sparkling wines, sugar, lemon balm, and other ingredients, from humoristic alteration of kaltes Ende, literally, "cold end," probably so called because it was served as an alternative to hot Turkish coffee at the end of a meal (perhaps originally by Prince Clemens Wenceslaus of Saxony (1739-1812), who is said to have ordered his servants to mix the leftover wine with champagne after a banquet).]
(Brewing) an alcoholic beverage made from equal parts of burgundy and champagne
a mixture of champagne and sparkling Burgundy, orig. from Germany.
[1965–70; translation of German Kalte Ente]