Definition of "war-office" [war-office]

• A public office or department in which military affairs are superintended or administered (noun)

The Century Dictionary (Public Domain)

• "The managers of the war-office were doomed to similar attacks as those of the admiralty."
• "The reply was equally unsatisfactory, the fact being that Haubitz senior, like an implacable old savage as he was, had made interest at the war-office for the refusal of all such requests on the part of his scapegrace offspring."
• "_Don't tread on me_, which is yet partially retained in the seal of the war-office."