truck bolster

noun

, Railroads.

1. the upper transverse member of a car truck that holds the truck center plate and receives the car's weight.

Word History and Origins

Origin of truck bolster¹

First recorded in 1890–95

Example Sentences

Pedestals, wrought-iron forged,     Center transom, steel channel,     Truck bolster, cast steel. wood and iron.

From Project Gutenberg