The definition of Braille is a formal written language for the blind where raised symbols are used to represent letters and words.
(noun)Raised symbols used in a book for the blind so that the blind can use his fingertips to "read" the book is an example of Braille.
See Braille in Webster's New World College Dictionary
noun
Origin: after L. Braille (1809-52), blind Fr teacher who devised it
See Braille in American Heritage Dictionary 4
or braille
nounOrigin:
Origin: After Louis Braille
.Braille
Braille alphabet and numerals
, Louis 1809-1852.
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