What is "crush room"

Crush \Crush\, n.

1. A violent collision or compression; a crash; destruction; ruin.

   The wreck of matter, and the crush of worlds.
   --Addison.

2. Violent pressure, as of a crowd; a crowd which produced uncomfortable pressure; as, a crush at a reception.

   Crush hat, a hat which collapses, and can be carried under the arm, and when expanded is held in shape by springs; hence, any hat not injured by compressing.

   Crush room, a large room in a theater, opera house, etc., where the audience may promenade or converse during the intermissions; a foyer.

   Politics leave very little time for the bow window at White's in the day, or for the crush room of the opera at night.
   --Macaulay.

n. (context dated 19th century English) a large room in a theater, opera house, etc., where the audience may promenade or converse during the intermissions; a foyer.