contraption

名词 contraption:

1. a device or control that is very useful for a particular job
   同义词：appliance, contrivance, convenience, gadget, gizmo, gismo, widget

con.trap.tion

n.（名词）
A mechanical device; a gadget.
一种机械装置；小机件

来源：
Perhaps blend of contrive
可能混合了 contrive
trap 2
trap2