Braille is a system of printing for blind people. The letters are printed as groups of raised dots that you can feel with your fingers.
Braille in British English1
(breɪl)
noun
1.
a system of writing for blind people consisting of raised dots that can be interpreted by touch, each dot or group of dots representing a letter, numeral, or punctuation mark
2.
any writing produced by this method
Compare Moon1
verb
3. (transitive)
to print or write using this method
Braille in British English2
(French braj)
noun
Louis (lwi). 1809–52, French inventor, musician, and teacher of blind people, who himself was blind from the age of three and who devised the Braille system of raised writing
Braille in American English
(breil) (verbBrailled, Brailling)
noun
1.
Louis (ˈluːɪs, ˈluːi, French lwi), 1809–52, French teacher of the blind
2.
a system of writing or printing, devised by L. Braille for use by blind people, in which combinations of tangible dots or points are used to represent letters, characters, etc., that are read by touch