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kingbolt

The definition of a kingbolt is a main bolt that connects the front axle of a vehicle with the body.

(noun)

An example of kingbolt is how railroad cars are connected together.

See kingbolt in Webster's New World College Dictionary

noun

any main bolt; esp., one that acts as a vertical pivot for a turning vehicle, as that connecting the front axle of a wagon, etc., or the truck of a railroad car, with the body

See kingbolt in American Heritage Dictionary 4

noun

A vertical bolt that joins the body of a wagon or other vehicle to its front axle and usually acts as a pivot. Also called kingpin.

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