1. plural of fiver; five-pound notes or five-dollar bills
Usage: informal; British English for five-pound notes, American English for five-dollar bills

Examples

• I need to break this twenty into fivers.
• The cashier handed me four fivers as change.
• He always keeps a few fivers in his wallet for tips.
• The charity collection box was full of fivers and tens.
• She paid for the coffee with two fivers.
• The ATM only dispensed twenties, not fivers.