'double sawbuck' definitions:

Definition of 'double sawbuck'

From: GCIDE
  • Sawbuck \Saw"buck`\, n.
  • 1. A sawhorse. [1913 Webster]
  • 2. [Colloq., from the Roman X for ten, like the support of a sawbuck.] a ten-dollar bill; also,
  • double sawbuck, a twenty-dollar bill. [PJC]