[W/K] :: sed

  SED
       Stream EDitor (Unix)
       
       

  SED /S-E-D/ n. [TMRC, from `Light-Emitting Diode'] Smoke-emitting
     diode. A friode that lost the war. See also LER. [Not to be confused
     with sed(1), the Unix stream editor. --ESR]
  
  

  Sed
       
           Stream editor.
       
          The Unix stream editor.  It has a powerful but cryptic
          command language and is based on regular expressions.
       
          There is a GNU version called GNU Sed.
       
          [{Jargon File]
       
          (1994-11-03)
       
       

  SED
       
          smoke-emitting diode