Vat
A vat was a large tub used for holding liquids.

Leonard McCoy's analysis, in 2267, of Schmitter's remains of largely bone and teeth, the doctor compared to the conditions those fragments might have experienced to as if he had been thrown into a vat of extremely corrosive acid. ()

In 2370, Grand Nagus Zek sent Quark on a mission into the Gamma Quadrant to purchase 10,000 vats of tulaberry wine from the Dosi, however, the Dosi could only offer 5,000 vats. Later, when it appeared negotiations were about to be completed, the Nagus changed his purchase offer from 10,000 vats, which Quark wasn't sure they were even going to agree to, up to 100,000 vats. The larger offer was rejected by the Dosi, who later explained that there was not that many vats on the entire planet. It was then explained by Zyree that the only people who had access to that much tulaberry wine were the Karemma. ()

Kor believed that the modern Emperor  to be "a pretender, a clone of the original Kahless cooked up in a vat by ambitious clerics. And if you hadn't supported him, he'd be right back in that vat where he came from." ()

After Benjamin Sisko returned to Earth in 2372, Joseph Sisko warned him that he had "a vat of crayfish in the back that needs clening and it's got your name on it." ()

See also 
 Barrel

Tools
Measurements