Unfermented grape juice.
transitive verbtransitive verb stums, transitive verb stumming, transitive verb stummed[with object]
1Prevent or stop the fermentation of (wine) by fumigating a cask with burning sulfur.
2Renew the fermentation of (wine) by adding stum.
Mid 17th century from Dutch stom (noun), stommen (verb), from stom ‘dumb’.
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