widgetPronunciation: /ˈwɪdʒɪt/Translate widget | into Spanish Definition of widget noun informal a small gadget or mechanical device. (in some beer cans) a plastic device which introduces nitrogen into the beer, giving it a creamy head. Computing an application, or a component of an interface, that enables a user to perform a function or access a service. Origin: 1930s: perhaps an alteration of gadgetwidget in other Oxford dictionaries Definition of widget in the US English dictionary