Noun: sour mash
- A mash with optimum acidity for yeast fermentation; a mixture of old and new mash; used in distilling some whiskeys
"The distillery used a sour mash process to create their signature bourbon"
- Any whiskey distilled from sour mash
"The distillery was famous for its smooth sour mash whiskey";
- sour mash whiskey
Derived forms: sour mashes
Type of: mash, usquebaugh [UK, Ireland, dialect], whiskey [N. Amer, Ireland], whisky
Encyclopedia: Sour mash