![backslash backslash](https://www.tekportal.net/wp-content/uploads/2019/01/backslash-6745.jpg)
noun
- a short oblique stroke (), a backward slash, used in some computer operating systems to mark the division between a directory and a subdirectory or its folders, as in designating a path.
noun
- a slash which slopes to the left
1982, new punctuation symbol introduced for computer purposes, from back (adj.) + slash (n.).