Definitions:

1. a United States bill worth 100 dollars noun
   • He pulled a crisp C-note from his wallet to pay for the antique vase.
2. The "C" in C-note represents the Roman numeral for 100. NOUN
   • The repair costs for the car came out to exactly five C-notes.

Synonyms:

• benjamin
• franklin
• hundred
• hundred dollar bill
• one hundred bucks