Braille (noun)

1. A system of writing and printing for the blind, using a set of raised dots that can be read by touch.
2. A system of raised dots representing letters and numbers that can be read by the fingers of blind or visually impaired people.

Origin:

Named after its creator, louis braille (1809–1852), a french educator who lost his sight at the age of three.

Examples:

1. He learned to read and write in braille.
2. The library had a section of books in braille.
3. He had a braille note taker to help him take notes in class.
4. She used a braille keyboard to type her assignments.
5. The blind man was reading a book in braille on the train.