kingbolt








noun

  1. a vertical bolt connecting the body of a vehicle with the fore axle, the body of a railroad car with a truck, etc.
  2. (in a roof truss) an iron or steel rod serving as a king post.

noun

    1. the pivot bolt that connects the body of a horse-drawn carriage to the front axle and provides the steering joint
    2. a similar bolt placed between a railway carriage and the bogies
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