stoppingtool

noun
UK /ˈstɒpɪŋ tuːl/
US /ˈstɑːpɪŋ tuːl/

A stopping tool is a thing you use to make something stop.

The brake is a stopping tool that makes a bike stop.


OTHER MEANINGS

2. A device that halts a machine or process.

The emergency stopping tool shut down the machine at once.

3. A tool used to plug or close an opening.

He used a stopping tool to seal the leak in the pipe.

4. A tool that prevents something from moving forward.

A stopping tool kept the cart from rolling down the hill.