Definition of space bar. : the wide key at the bottom of a computer keyboard or typewriter that is used to make a space.
About: Over 450 million Internet-enabled desktops have Adobe Shockwave Player installed. These users have access to some of the best content the Web has to offer-including dazzling 3D games and entertainment, interactive product demonstrations, and online learning applications. Shockwave Player displays Web content that has been created using Adobe Director.
The Shockwave player was originally developed for the Netscape browser by Macromedia Director team members Harry Chesley, John Newlin, Sarah Allen, and Ken Day, influenced by a previous plug-in that Macromedia had created for Microsoft's Blackbird.