safety curtain


noun

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.

Origin of safety curtain

First recorded in 1905–10
Also called fire curtain.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for safety curtain

safety curtain

noun

a curtain made of fireproof material that can be lowered to separate the auditorium and stage in a theatre to prevent the spread of a fire
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012