VERJUICE

Ver″juice′ (?), n. [[OE. vergeous, F. verjus, that is, the juice of green fruits; verd, vert, green + jus juice. See Verdant, and Juice.]] 1. 1. The sour juice of crab apples, of green or unripe grapes, apples, etc.; also, an acid liquor made from such juice.
2. 2. Tartness; sourness, as of disposition.