じゃぐち蛇口jaguchiじゃjaぐちguchi
1.

A metal device installed at the end of a water pipe, used to control the flow of water by turning it on or off.

2.

A fixture that allows for the adjustment of water volume, commonly found in kitchens and bathrooms, enabling easy access to running water.

3.

A mechanical component that regulates water output from plumbing systems, often designed to be operated by hand for convenience.

Example:

この蛇口は使えません。故障しています。