名詞 gizmo:

1. something unspecified whose name is either forgotten or not known
   同義詞：doodad, doohickey, doojigger, gimmick, 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
   同義詞：appliance, contraption, contrivance, convenience, gadget, gismo, widget

gizmo 也作 gis.mo

n.（名詞）
【復數】 giz.mos
A mechanical device or part whose name is forgotten or unknown; a gadget.
機械裝置，小物件：忘記了名字或不知道名稱的機械裝置或零件；新玩意兒

來源：
[Origin unknown]
[語源不詳]