bell (bells plural )
1 n-count A bell is a device that makes a ringing sound and is used to give a signal or to attract people's attention.
I've been ringing the door bell, there's no answer.
2 n-count A bell is a hollow metal object shaped like a cup which has a piece hanging inside it that hits the sides and makes a sound.
My brother, Neville, was born on a Sunday, when all the church bells were ringing.
3 If something is as clear as a bell, it is very clear indeed.
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as clear as a bell phrase usu v-link PHR
There are 80 of these pictures and they're all as clear as a bell.
4 If you say that something rings a bell, you mean that it reminds you of something, but you cannot remember exactly what it is.
INFORMAL
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sth rings a bell phrase V inflects
The description of one of the lads is definitely familiar. It rings a bell.