IPA: /kənˈtraɪv(ə)ns/
KK: /kənˈtraɪv(ə)ns/
A clever plan or device that is created to solve a problem or achieve a specific purpose.
The inventor showed us his latest contrivance that could help with recycling waste.
Contrivance → It is formed from "con-" (meaning together) and "trivium" (from Latin, meaning a place where three roads meet, or a meeting point). The word refers to a device or scheme that is cleverly devised or put together.
Think of 'together' ('con-') and a 'meeting point' ('trivium') where ideas come together to create a clever device or scheme.