braille or Braille 
/ˈbreɪl/ noun
/ˈbreɪl/ noun [noncount] : a system of writing for blind people in which letters are represented by raised dots
▪ a book made available in braille — often used before another noun ▪ a braille book
▪ a book made available in braille — often used before another noun ▪ a braille book
