Big Room

( n.)

   (Also  Big  Blue Room) The extremely large room with the blue ceiling
   and  intensely  bright  light  (during the day) or black ceiling with
   lots  of  tiny  night-lights  (during  the  night)  found outside all
   computer  installations.  "He can't come to the phone right now, he's
   somewhere out in the Big Room."

[glossary]