Meaning of “dollar” - Learner’s Dictionary

dollar

noun [ C ] us uk /ˈdɒlər/
Extra Examples
a five dollar billa dollar signTen thousand dollars was given by an anonymous donor.Where can I change my dollars?The film has brought in millions of dollars.

A1 the unit of money used in the US, Canada, and some other countries; $:

a hundred dollars/$100
a dollar bill

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