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Definition of Sour mash
1. Noun. A mash with optimum acidity for yeast fermentation; a mixture of old and new mash; used in distilling some whiskeys.
Generic synonyms: Mash
2. Noun. Any whiskey distilled from sour mash.
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1. Noun. A mash with optimum acidity for yeast fermentation; a mixture of old and new mash; used in distilling some whiskeys.