watch floor
n.— «The main working area of the TSCC is the watch floor. The 10,000-square-foot room is equipped with an elaborate briefing and display system. Large plasma screens fill one side of the room, which is known as the “knowledge wall.”» —“From Small Clues to Big Picture” by Teresa Anderson Security Management June, 2004. (source: Double-Tongued Dictionary)
Further reading
In Scotland and Northern England, something that’s kenspeckle is “conspicuous.” This word likely comes from Scandinavian languages and is related to English ken, meaning “range of knowledge.” And it’s not just ken...
When you had sleepovers as a child, what did you call the makeshift beds you made on the floor? In some places, you call those bedclothes and blankets a pallet. This word comes from an old term for “straw.” And: What’s the story...