braille

What it means

1. countableuncountableA system of writing in which letters and some combinations of letters are represented by raised dots arranged in three or four rows of two dots each and are read by the blind and partially sighted using the fingertips.

   Another difficulty which causes literature in braille to remain scarce is the cumbersomeness of the process of producing braille books.

   1963, S. C. Ashcroft, Freda Henderson, Programmed Instruction in Braille, Stanwix House, →ISBN, page 6

In a sentence

Another difficulty which causes literature in braille to remain scarce is the cumbersomeness of the process of producing braille books.

1963, S. C. Ashcroft, Freda Henderson, Programmed Instruction in Braille, Stanwix House, →ISBN, page 6

Where it comes from

1. Frenchbraille
2. Englishbraille

Borrowed from French braille, named after French educator Louis Braille (1809–1852). The /eɪl/ seems to reflect a spelling pronunciation; French has /aj/ instead.