Definitions for "doorbell"
Keywords:  bell, buzzer, buzzing, alos, push
a bell or other sounding device, actuated by a push button at an outer door; the push button activating the bell; alos, the ringing of such a bell; as, I was in the shower and didn't hear the doorbell.
a push button at an outer door that gives a ringing or buzzing signal when pushed
Electrical device at the entrance door, which when pressed, sounds a bell or buzzer inside the home or office to announce visitors.
Keywords:  near, commonly, signaling, device
A doorbell is a signaling device commonly found near a door.