Meaning of “tax” - Learner’s Dictionary

tax

noun [ C, U ] uk us /tæks/

B1 money that you have to pay to the government from what you earn or when you buy things:

They're putting up the tax on cigarettes.
Do you have to pay tax on that?
→ See also income tax

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