praetorium
/prɪˈtɔːrɪəm/ /priːˈtɔːrɪəm/ /prʌɪˈtɔːrɪəm/(also pretorium)
noun
1 Roman History. The official residence of the governor of a Roman province; a governor's palace or court; specifically the building in which Pontius Pilate questioned Jesus.
2An official building, especially one associated with legal proceedings, as a council chamber, courthouse, or the court or palace of a monarch.
3Chiefly Roman History. In a military camp or fort: the tent or other headquarters of the commanding officer; the area surrounding this.
Origin
Mid 16th century. From classical Latin praetōrium general's tent, provincial governor's residence, palace, Praetorian Guard, in post-classical Latin also courthouse, moot hall, town hall, use as noun of neuter of praetōrius belonging to a commander, belonging to a praetor.