fire alarm

Meaning

1. An electromechanical or electronic bell, klaxon, chime, horn, speaker, strobe light or other device which warns people in a building etc. of a possible fire or other condition requiring evacuation.
2. The sound or other warning made by a fire alarm.
3. An emergency response to a fire by the fire department with manpower and equipment.

Etymology / origin

From fire + alarm.

Sources

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