noun
plural bells
[count] a hollow usually cup-shaped metal object that makes a ringing sound when it is hit
an electronic device that makes a ringing sound
something (such as a flower) that is shaped like a bell
(as) clear as a bell
(as) sound as a bell
give (someone) a bell
Brit informal :to call someone on the telephone
have/get your bell rung
In informal U.S. and Canadian English, if you have/get your bell rung, you get hit hard on the head.
ring a bell