: a sour liquid made from cider, wine, or malt and used to flavor or preserve foods
Word History of VINEGAR
The English word vinegar came from the medieval French words vin egre with the same meaning. The literal meaning of vin egre is “sour wine,” reflecting the fact that vinegar was often made from old wine in which the alcohol has oxidized.
Medical Definition of VINEGAR
: a sour liquid used as a condiment or a preservative that is obtained by acetic fermentation of dilute alcoholic liquids (as fermented cider, malt beer, or wine) or of dilute distilled alcohol
: a pharmaceutical solution of the active principles of drugs in dilute acetic acid usually prepared by maceration <aromatic vinegar>