center pin

noun Railroads.

a cylindrical device passing through the center plates of both the body bolster and the truck bolster, permitting the truck to swivel beneath the car body while the stress is taken by the center plate.

Origin of center pin

First recorded in 1795–1805

Words nearby center pin

center of gravity, center of mass, center of ossification, center of percussion, center of symmetry, center pin, center plate, center punch, center spread, center wheel, center-fire

Example sentences from the Web for center pin

  • It is made fast to the main rail by a screw, and upon it the wippen is hinged by means of a "center-pin" at the lower end.

    Piano Tuning |J. Cree Fischer