oblique stroke

from The Free On-line Dictionary of Computing (8 July 2008)

oblique stroke
slash

   <character> "/".  Common names include: (forward) slash;
   stroke; {ITU-T}: slant; oblique stroke.  Rare: diagonal;
   solidus; over; slak; virgule; {INTERCAL}: slat.

   Commonly used as the division {operator} in programming, and
   to separate the components in {Unix} {pathnames}, and hence
   also in {URLs}.  Also used to delimit {regular expressions} in
   several programs.

   (1996-09-24)