kingbolt
/ˈkɪŋˌboʊlt/
noun
- A large, central bolt or pin that connects parts of a machine or vehicle, such as the front axle of a wagon or the steering mechanism of a car.
- A broken kingbolt can make a wagon impossible to steer.
- The mechanic replaced the kingbolt to fix the steering wobble.
- The kingbolt is a critical part of the truck's front suspension.
Synonyms