A device on or adjacent to an outer door for announcing one's presence. It can be mechanical, directly sounding a bell, or a button that electrically sounds a chime or buzzer inside the building.
A button that activates an electric doorbell.
To ring many doorbells of (target people or an area) in an effort to contact people and thereby spread information or solicit.
To ring many doorbells in an effort to contact people and thereby spread information or solicit.
an object so suspended inside a bell that it may hit the bell and cause it to ring; a clapper
the slight elevation in the mucous membrane immediately behind the internal urethral orifice of the urinary bladder, caused by the middle lobe of the prostate