common-room

from The Collaborative International Dictionary of English v.0.48

common room \common room\, common-room \common-room\n.
   a room, usually at a school or university, set aside for the
   common use of everyone. It usually has comfortable chairs for
   reading or conversation, and some provision for obtaining
   refreshments.

   Syn: .
        [WordNet 1.5 +PJC]