- a mechanical contrivance or device; any ingenious article.
- a small mechanical device or appliance
- any object that is interesting for its ingenuity or novelty rather than for its practical use
1886, gadjet (but said to date back to 1850s), sailors’ slang word for any small mechanical thing or part of a ship for which they lacked, or forgot, a name; perhaps from French gâchette “catchpiece of a mechanism” (15c.), diminutive of gâche “staple of a lock.”