fire alarm
US /ˈfaɪər əˌlɑːrm/
UK /ˈfaɪər əˌlɑːrm/
1.
a device that makes a loud noise to warn people of a fire
:
•
The fire alarm went off, and everyone evacuated the building.
•
Always check if the fire alarm is working properly.
a device that makes a loud noise to warn people of a fire