what is a whiskey
Medical Definition of whiskey. plural. whiskeys. or. whiskies. : a liquor that is distilled from the fermented mash of grain (as rye, corn, or barley) and was formerly used medicinally as a sedative and vasodilator. See words that rhyme with whiskey Spanish Central: Translation of whiskey Nglish: Translation of whiskey for Spanish speakers Britannica.com: Encyclopedia article about whiskey.