1. A placeholder term used to stand for a real object in didactic examples (especially database tutorials). Legend has it that the original widgets were holders for buggy whips. "But suppose the parts list for a widget has 52 entries..."2. In a graphical user interface, a combination of a graphic symbol and some program code to perform a specific function. E.g. a scroll-bar or button. [possibly evoking "window gadget"] Windowing systems usually provide widget libraries containing commonly used widgets drawn in a certain style and with consistent behaviour. In Microsoft Windows GUI programming, these are generally known as "controls". [Jargon File]
Wideband ATM ♦ Wide SCSI ♦ widget ♦ wi-fi ♦ Wi-Fi Protected Access ♦ Wi-Fi Protected Access Pre-Shared Key
Try this search on Wikipedia, Wiktionary, Google, OneLook.