'Vinegar' in the Bible

he shall separate himself from wine and strong drink: he shall drink no vinegar of wine, nor vinegar of strong drink, neither shall he drink any liquor of grapes, nor eat grapes, fresh or dried.

And Boaz said to her at mealtime, Come hither and eat of the bread, and dip thy morsel in the vinegar. And she sat beside the reapers; and he reached her parched corn, and she ate and was sufficed, and reserved some.

Yea, they gave me gall for my food, and in my thirst they gave me vinegar to drink.

As vinegar to the teeth, and as smoke to the eyes, so is the sluggard to them that send him.

As he that taketh off a garment in cold weather, and as vinegar upon nitre, so is he that singeth songs to a sad heart.