bail out
bail out (1)  {v.}
1. To secure release from prison until trial by leaving or promising money or property for a while. 
When college students got into trouble with the police, the college president would always bail them out.
2.  {informal}
To free from trouble by giving or lending money. 
He started a small business, which prospered after his father had to bail him out a couple of times.
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Source: A Dictionary of American Idioms

