n.
- A roll of paper money.
- Informal. One's ready cash.
To underwrite the expense of (a business venture, for example).
bankroller bank'roll'er n.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.