The Collaborative International Dictionary of English v.0.48:
Crush \Crush\, n.
1. A violent collision or compression; a crash; destruction;
The wreck of matter, and the crush of worlds.
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.