Definition of gadget noun from the Oxford Advanced Learner's Dictionary

 

gadget

 noun
noun
BrE BrE//ˈɡædʒɪt//
 
; NAmE NAmE//ˈɡædʒɪt//
 
Departments in stores, Devices
 
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a small tool or device that does something useful See related entries: Departments in stores, Devices Word Origin late 19th cent. (originally in nautical use): probably from French gâchette ‘lock mechanism’ or from the French dialect word gagée ‘tool’.Extra examples She has invented a nifty little gadget for undoing stubborn nuts and bolts. We live in a world filled with high-tech gadgets. kids that hassle their parents to buy the latest electronic gadget Modern gadgets like these make a huge difference to home life.
See the Oxford Advanced American Dictionary entry: gadget