Definitions for verjuiceˈvɜrˌdʒus
Random House Webster's College Dictionary
an acid liquor made from crab apples, unripe grapes, etc.
sourness, as of temper or expression.
Origin of verjuice:
1275–1325; ME verjuis < MF vertjus=vert green (< L viridis) +jusjuice
A very acidic juice made by pressing unripe grapes.
Origin: verjus, from vertjus.
the sour juice of crab apples, of green or unripe grapes, apples, etc.; also, an acid liquor made from such juice
tartness; sourness, as of disposition