contrivance
nounUK /kənˈtraɪ.vəns/
US /kənˈtraɪ.vəns/
A contrivance is a clever thing someone makes or plans to solve a problem.
The treehouse was a clever contrivance built from old wood and rope.
OTHER MEANINGS
2. The act of planning or making something in a clever way.
The success of the show was due to clever contrivance rather than luck.
3. A plan or trick that is not honest.
The villain's contrivance fooled everyone in the village.
4. A machine or tool made for a special purpose.
He showed us a strange contrivance for peeling apples.