A gadget is a tool or device, especially one that works remarkably well for a specific task. Your dad's favorite kitchen gadget might be his special knife that cuts vegetables into spirals.

The remote control your brother rigs up to the Christmas tree is a gadget, and your camping tool that folds out into various knives, corkscrews, and scissors is another kind of gadget. The original spelling was gadjet, and it's thought to have originated in the 1850's as sailors' slang, meaning any mechanism or ship part that either lacked a name or whose name had been forgotten. It may be rooted in the French g√Ęchette, "piece of a mechanism."

Definitions of gadget

n a device or control that is very useful for a particular job

appliance, contraption, contrivance, convenience, gismo, gizmo, widget
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appliances collectively
an appliance that allows an object (such as a ship's compass) to remain horizontal even as its support tips
a contrivance for injecting (e.g., water into the boiler of a steam engine or particles into an accelerator etc.)
mod con
modern convenience; the appliances and conveniences characteristic of a modern house
Type of:
an instrumentality invented for a particular purpose

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