crankpin

Etymology

From crank + pin.

crankpin means the pin that attaches a connecting rod to a crank. Lexicurio rates it Sui generis — a strength score of 91 out of 100.

noun

The pin that attaches a connecting rod to a crank.“Three independent sets of Walschaerts valve gear are provided, those for the outside cylinders being driven by return cranks placed on the driving crankpins, and by crosshead arms attached to the crossheads.”