Hastings' Dictionary of the Bible (1898)
PRESS'ES, Gen Isa.l6:10, or PRESS'FATS, Hag 2:16, were vessels or cisterns placed in the side of a hill, into which the juice of grapes flowed when it was pressed out by treading them with the feet or by pressing them with a machine. Prov 3:10; Matt 21:33. Such are now used in Persia. The upper vessel, being 8 feet square and 4 deep, is used to press out the juice, which runs into another cistern below. For an illustration of the process, see Wine.
Schaff's Bible Dictionary
PRESS'ES, Gen Isa.l6:10, or PRESS'FATS, Hag 2:16, were vessels or cisterns placed in the side of a hill, into which the juice of grapes flowed when it was pressed out by treading them with the feet or by pressing them with a machine. Prov 3:10; Matt 21:33. Such are now used in Persia. The upper vessel, being 8 feet square and 4 deep, is used to press out the juice, which runs into another cistern below. For an illustration of the process, see Wine. " 1 Thess 4:15.