Braille n. A system of printing or writing for the blind in which the characters and numerals are represented by patterns of raised tangible points or dots. It was invented by Louis Braille, a French teacher of the blind.
... distraction. It seems to me, if I were rich and idle, I could find lots of ways of making myself of use in the world without jostling the poor Marthas. I could coach poor governesses who were behind the times, but couldn't afford to take lessons; I'd translate books into Braille for the blind; I'd teach working boys at their clubs, and half a dozen other interesting, useful things. There's no need to be idle, even if one does live at home with a couple of dear old conservative parents. Where there's a will there's ... — Tom and Some Other Girls - A Public School Story • Mrs. George de Horne Vaizey