Buzzer
Definition 1 of 3
Pro Tip 1/3
Alerting Sound
Buzzers often indicate an urgent need for attention in contexts like security or entry systems. When the fire alarm went off, the loud buzzer alerted everyone to evacuate.
Pro Tip 2/3
Action Required
A buzzer usually signals that someone should take an action, such as opening a door. She pressed the door buzzer to let her friends know she had arrived.
Pro Tip 3/3
Common Places
Buzzers are commonly found at the entrance of apartment buildings and offices. Please use the buzzer at the gate when you arrive.