The sour juice of crab apples, of green or unripe grapes, apples, etc.; also, an acid liquor made from such juice.
2.
Tartness; sourness, as of disposition.
Webster 1828 Edition
Verjuice
VER'JUICE
,
Noun.
A liquor expressed from wild apples, sour grapes, &c. used in sauces, ragouts and the like. it is used also in the purification of wax for candles, in poultices, &c.