vinegar

noun

1. (uncountable)A sour liquid formed by the fermentation of alcohol used as a condiment or preservative; a dilute solution of acetic acid.

   “In Persia, newly married couples were presented with sheep's trotters steeped in vinegar as a love enticement.”

2. (countable)Any variety of vinegar.

   “a range of herb-flavoured vinegars”

3. (US, countable, informal, uncountable)Vigor; vitality.

   “You full of vinegar now, but you 'bout through / We gonna get a steam drill to do your share of driving / Then what's all them muscles gonna do? Huh, John Henry? / Gonna take a little bit of vinegar out of you.”

   “[Rahm Emanuel] was full of vinegar on his proposal of mandatory retirement at age 75 for the president and the rest of the executive branch, as well as Congress and the judiciary.”

verb

1. (transitive)To season or otherwise treat with vinegar.

   “Accordingly, after a vast amount of moaning and crying up-stairs, and much damping of foreheads, and vinegaring of temples, and hartshorning of noses, and so forth […]”