Longman Dictionary of Contemporary English
fire exit
noun
EXAMPLES FROM CORPUS
▪ They kicked open the door and tossed us out into the snow through the back fire exit.
Wiktionary
fire exit
n. Emergency exit in case of a fire
Usage examples of "fire exit".
You can leave, if you must, through the fire exit, but you can't get back in again that way.
Danny side-stepped his way over to a fire exit, then hooked around to the City loading dock, interrupting a trio of LAPD patrolmen singing “.
The sergeant asked to speak to Steff and he had gone outside to take the call, the fire exit at the room's rear leading straight out into the desert sun.
I snag his jacket, ready to hustle our happy asses to the fire exit and out of this nonsense.
The right corridor was clear, all the way up to the pay phone and the fire exit beyond it.