A device or control that is very useful for a particular job
English: appliance, contraption, contrivance, convenience, gadget, gizmo, gismo, widget
gizmoEnglish
gismo, gizmo, widget, appliance, contraption
Noun
Something unspecified whose name is either forgotten or not known
English: doodad, doohickey, doojigger, gimmick, gizmo, gismo, gubbins, thingamabob, thingumabob, thingmabob, thingamajig, thingumajig, thingmajig, thingummy, whatchamacallit, whatchamacallum, whatsis, widget