Source : Free On-Line Dictionary of Computing

shockwave
     
         The propagation of failure, shutdown, {meltdown},
        net overload, or a {virus} from one network node to another,
        resulting in a wave of inactivity across the net.
     
        (1997-05-16)

Shockwave
     
         A program from {Macromedia} for viewing files created
        with {Macromedia Director}.  Shockwave is freely available as
        a {plug-in} for the {Netscape Navigator} web {browser}.
     
        "Shocked" pages that incorporate documents created in Director
        can usually only be enjoyed by users with an {ISDN} or faster
        connection.
     
        {Home (http://www.macromedia.com/shockwave/)}.
     
        [Filetypes?  More detail?]
     
        (1998-07-07)