(Also with hyphen.)
1. A jug made of stoneware.
1595. Shaks., Tam. Shr., Ind. ii. 90. Yet would you raile vpon the Hostesse of the house, Because she brought stone-Iugs, and no seald quarts.
1906. Westm. Gaz., 22 June, 8/2. The Apollinaris Co. now bottles the water in stone jugs.
2. slang. A nickname for Newgate prison, or for a prison in general.
1796. Groses Dict. Vulgar T. (ed. 3), Stone jug; Newgate, or any other prison.
1838. Dickens, O. Twist, xliii. He shall be kept in the Stone Jug, Charley, like a gentleman.