Briefing lounge
A briefing lounge was an area of Federation starships where officers could relax while off duty. It was equipped with a monitor through which one could watch the view from the viewscreen or communicate visually with the bridge.

In 2265, James T. Kirk and Spock were playing a game of three-dimensional chess in the briefing lounge of the   when Kirk was interrupted by a call from Lieutenant Lee Kelso, informing them that an unknown object the Enterprise had been tracking was now within tractor beam range. ()

See also
Mess hall
Recreation deck
Recreation room

Spacecraft sections