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English definition of “fire alarm”

fire alarm

noun [C]    
a piece of equipment such as a bell that warns the people in a building that the building is on fire: If you hear the fire alarm, you must leave the building immediately.Fire serviceFire and flameThreats and warnings
(Definition of fire alarm noun from the Cambridge Learner's Dictionary © Cambridge University Press)

Definitions of “fire alarm” in other dictionaries

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