GADGET

n. contrivance, device, appliance, creation, invention, machine, tool, utensil, implement, instrument, mechanism, apparatus, Colloq contraption, widget, thingumabob or thingamabob or thingumbob, thingumajig or thingamajig or thingummy, whatchamacallit, what's-its-name, Brit doodah, US hickey, doodad, doohickey, whosis, whatsis, dingus, Chiefly US and Canadian gismo or gizmo He invented a gadget for resealing fizzy drink bottles