'bankroll' definitions:

Definition of 'bankroll'

noun

A roll of currency notes (often taken as the resources of a person or business etc.); "he shot his roll on a bob-tailed nag" [syn: bankroll, roll]

verb

Provide with sufficient funds; finance; "Who will bankroll the restoration of the former East German economy?"

From: GCIDE

bankroll \bankroll\ n.
1. the money carried on one's person. "He shot his bankroll on a bob-tailed nag."
Syn: roll, wad. [WordNet 1.5 +PJC]
2. one's total supply of money; funds. [PJC]

From: GCIDE

bankroll \bankroll\ v. t. To pay the costs of; as, Who will bankroll the restoration of the former East German economy?. [WordNet 1.5]