bell S2 W3 [countable]
a piece of electrical equipment that makes a ringing sound, used as a signal or to get someone's attention
ring/press the bell
He rang the bell and waited for someone to answer the door.
She walked up the path and rang the door bell.
a bell rings/goes
The bell went and everyone rushed out of the classroom.
a hollow metal object like a cup with a piece of metal hanging inside it, which makes a ringing noise when it moves or you shake it:
3TCT British English spoken
to telephone someone:
I must give Vicky a bell later.
something that is shaped like a bell:
the bell of a flower