What does briefing room mean?
briefing room
Plural: briefing rooms
Definition
The room in a police station where officers meet at the start of a shift to hear what has happened and who is doing what.
Example sentences
Hurry up, the sergeant already started in the briefing room and she hates it when people walk in late.
They've been in the briefing room for an hour, so either something big happened overnight or someone forgot to end the meeting.