firebell
nounUK /ˈfaɪə.bel/
US /ˈfaɪr.bel/
A firebell is a loud bell that rings to warn people about a fire.
When the firebell rang, everyone quickly left the building.
OTHER MEANINGS
2. A bell used to summon firefighters or signal a fire emergency in a town.
The old town firebell was rung by the watchman when he spotted smoke.
3. A bell that sounds as part of a fire alarm system inside a building.
The school's firebell is tested every Monday morning.
4. A bell attached to a fire engine or firehouse to alert firefighters.
The firebell at the station clanged, and the crew jumped into action.