a device to alert people about a fire, heat, or smoke, by making a loud sound and flashing lights
a series of short blasts of the alarm horn
a signal that warns occupants to evacuate a building
A device or the information received over such a devise as "to sound a fire alarm." A "fire alarm system" should not be confused with a "fire detection system."
System that warns inhabitants at a sign of smoke or flames or a rise in heat.