The term PRO BONO WORK is a type of job that is done for free, usually by professionals such as lawyers, doctors, and other experts. It is done to help those in need who cannot afford to pay for the services they require. The term is derived from the Latin phrase 'PRO BONO publico, ' which means 'for the public good.' The term PRO BONO WORK is often used to refer to any type of voluntary work that is done without payment.