Wheeljack, a term generally used in reference to a car part, has synonyms like wheel hub, hubcap or hub cover. Other synonyms for wheeljack can be lug nut, tire valve, tire rim or wheel rim. A wheeljack can also be called a wheel wrench or a lug wrench. These terms are often used interchangeably based on the user's preference, geographical location, or type of vehicle. The use of other synonymous terms also depends on the conversation or context may vary. However, the underlying meaning of each of these terms is related to wheels and tires and their components.