What is another word for petcock?
Pronunciation: [pˈɛtkɒk] (IPA) 
Petcock is a small valve used to control the flow of liquid or gas in a tank or a pipe. It is also commonly known as a fuel valve, shutoff valve, or fuel tap. Other synonyms for petcock include fuel cock, drain cock, water valve, and gas valve. The term petcock comes from the fact that it was originally used to control the flow of liquid to a motorized gas lamp on a bike. Over the years, the term petcock has taken on a more general meaning, referring to any valve that regulates the flow of a liquid or gas. Regardless of what you call it, a petcock is an essential component in any fuel system, and it is important to ensure that it is properly maintained and functioning correctly.
