(1). Just a plain old conference room. No guns. No tanks. Just phones, whiteboards, and co-workers.
(2). A description given to one of your office’s conference rooms, usually the largest one, by management to imply it is only for the most important of meetings….which they are usually anything but.
“Ok people, we are meeting in the war room at 3:00pm for a briefing on CuteCatSweaters.com’s holiday plans. Let’s get in there and sell some sweaters!”