a bar that spans an emergency exit door on its interior and opens the latch when pressure is applied.
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- panic attack,
- panic bolt,
- panic button,
- panic buying,
- panic disorder,
- panic grass
Origin of panic bar
First recorded in 1925–30
Also called panic bolt.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a bolt on the inside esp of double doors that is released by pressure on a waist-high bar: used for emergency exits in theatres, shops, etc
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