Akademik

fire alarm
noun
1. a shout or bell to warn that fire has broken out
Hypernyms: ↑alarm, ↑alert, ↑warning signal, ↑alarum
2. an alarm that is tripped off by fire or smoke
Syn: ↑smoke alarm
Hypernyms: ↑alarm, ↑warning device, ↑alarm system

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noun, pl ⋯ alarms [count]
: a device that makes a loud sound to warn people when there is a fire

Someone set off the fire alarm.

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ˈfire alarm [fire alarm fire alarms] noun
a bell or other device that gives people warning of a fire in a building

Who set off the fire alarm?

 
Example Bank:

It was thought that the fire alarm had been set off as a prank.

The fire alarm went off when I was making a coffee.


Useful english dictionary. 2012.