What does the word bail mean?

Usage examples for bail

  1. We soon learned it was best to bail out beforehand. – The-Life-of-Me-an-autobiography by Johnson, Clarence Edgar
  2. " I'll go bail that you don't after I'm through with you. – The Adventures of a Country Boy at a Country Fair by James Otis
  3. The pastor would have been led off immediately to prison, had not several of the clergy in connection with the congregation prevented it by heavy bail. – The Life and Times of Ulric Zwingli by Johann Hottinger