[syn: appliance, contraption, contrivance, convenience, gadget, gizmo, gismo, widget]
WordNet (r) 3.0 (2006):
gismo
    n 1: something unspecified whose name is either forgotten or not
         known; "she eased the ball-shaped doodad back into its
         socket"; "there may be some great new gizmo around the
         corner that you will want to use" [syn: doodad,
         doohickey, doojigger, gimmick, gizmo, gismo,
         gubbins, thingamabob, thingumabob, thingmabob,
         thingamajig, thingumajig, thingmajig, thingummy,
         whatchamacallit, whatchamacallum, whatsis, widget]
    2: a device or control that is very useful for a particular job
       [syn: appliance, contraption, contrivance,
       convenience, gadget, gizmo, gismo, widget]