Meaning of “bill” - Learner’s Dictionary

bill

noun [ C ] uk us /bɪl/
PAYMENT

A2 a piece of paper that tells you how much you must pay for something you have bought or for a service you have used:

Have you paid the electricity bill?
LAW

a written plan for a law:

Parliament will vote today on whether to pass the reform bill.
MONEY US (UK note)

a piece of paper money:

a five dollar bill
ENTERTAINMENT
BEAK

a bird's beak

(Definition of “bill noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)