Definitions of bail out
to pay a sum of money in order to get a person who has been accused of a crime released from jail
The singer had been bailed out of jail on a burglary charge for only an hour on Sunday when he was arrested again.
to rescue a company or entity in financial difficulties by giving it enough money to avoid insolvency or bankruptcy etc; to pay money towards something that is failing so that it can continue to exist
Several years ago, Congress passed the legislation that bailed out the country's banks.