widget             
noun [ C ] uk/ˈwɪdʒ.ɪt/ us/ˈwɪdʒ.ɪt/
 informal(不知名的)小玩意儿,小器械,小装置 
any small device whose name you have forgotten or do not know
 Synonyms: appliancecontraptiondevice (MACHINE)gadgetgizmo 
  (公司的某种)小产品
an imagined small product made by a company
  Let's assume the company makes ten cents profit on every widget they sell. 我们假设该公司每卖1件小产品获利10美分。 
  (电脑程序)窗口小工具
a piece of software that is used on a page of a website to give the user changing information of a particular type in a small area of the computer screen
  This new widget will bring fresh content to your website every hour. 这个新的窗口小工具每小时都会给你的网站送来新的内容。