from The Century Dictionary.
- noun The cooling-tub or-vessel of a still-worm.
Sorry, no etymologies found.
He explained that his misfortune in laming the horse and the fog combined had separated him from the revenue posse just from a secluded cove, where his men had discovered and raided an illicit distillery in a cavern, cutting the copper still and worm to bits, demolishing the furnace and fermenters, the flake-stand and thumper, destroying considerable store of mash and beer and singlings, and seizing and making off with a barrel of the completed product.
The Ordeal A Mountain Romance of Tennessee Mary Noailles Murfree 1886