- 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.
Origin of backslash
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a slash which slopes to the left \
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for backslash
Online Etymology Dictionary, © 2010 Douglas Harper