braille
n. uncountable B2 Upper Intermediate US //ˈbɹeɪɫ// UK //bɹˈeɪl// braille
n. a system of writing for people who are blind. It uses patterns of raised dots that you read by touching them with your fingers.
n. a tactile writing system used by people who are visually impaired, consisting of raised dots arranged in cells to represent letters and numbers.
The elevator buttons have braille numbers next to them.
Public libraries often provide books in braille to ensure that blind readers have equal access to literature.
Advances in refreshable braille displays have allowed visually impaired professionals to access digital spreadsheets and code with the same tactile precision as traditional paper documents.
Usage
Often used as a modifier before another noun, such as 'braille book' or 'braille reader'.