DuckCorp Dico

Found one definition

1.                 From The Free On-line Dictionary of Computing (19 January 2023):
                   
   
   
                   
                     
   2
      <convention, character> In names of translation software,
      infix 2 often represents the word "to" with the connotation
      "translate to", as in dvi2ps (DVI to PostScript),
      int2string (integer to string) and texi2roff (Texinfo to
      [nt]roff).
      [Jargon File]
      (1995-01-25)