cabernet (n.)

family of grapes, or wine made from them, 1833, from French. There seems to be no general agreement on the etymology; the word seems not very old in French and is from the Médoc dialect. Supposedly the best of them, cabernet sauvignon is attested in English from 1846.

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Definitions of cabernet from WordNet

Cabernet (n.)
superior Bordeaux type of red wine;
Synonyms: Cabernet Sauvignon