noun Date: 1914 a room at a military headquarters where maps showing the current status of troops in battle are maintained, a room (as at a business headquarters) used for conferences and planning that is often specially equipped (as with computers, or charts)
WAR ROOM
Meaning of WAR ROOM in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012