Lewis Short
(adjective) : Pistōrĭum, ii, n.
* A city in Etruria, where Catiline was defeated and slain, the modern Pistoia, Plin. 3, 5, 8, § 52.—Hence
* Pistōriensis, e, , of or belonging to Pistorium, Pistorian: ager. Sall. C. 57, 1: milites Pistorienses, with a play upon the word pistor,Plaut. Capt. 1, 2, 58.
Charlton T. Lewis, Charles Short, A Latin Dictionary