safety curtain: Meaning and Definition of

safe'ty cur"tain

Pronunciation: [key]
  1. a sheet of asbestos or other fireproof material that can be lowered just inside the proscenium arch in case of fire, sealing off the backstage area from the auditorium. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.