Definition of dollar sign noun from the Oxford Advanced American Dictionary

 

dollar sign

 noun
noun
 
(symbol $)
 
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  • the sign that you put before a number to show that it represents an amount in dollars
  • Idioms
    (see) dollar signs(informal)
     
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    to think about how you can make a lot of money from a situation or person She looked at the wealthy widower and saw only dollar signs. Many inventors with dollar signs in their eyes are eager to come up with the latest gadget.