Informal To underwrite the expense of (a business venture, for example).(verb-transitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "bankroll" in a sentence
"If you're gambling bankroll is $1500, then you'd need a 94.5% chance for an even bet."
"Through a typographical error in our announcement cards the word "roll" might lead us to think that Canada's bankroll is at stake."
"I guess that proves he’s an impostor, or that public funding is worse than the bankroll from the utilities."