derail


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derail

Chiefly US a device designed to make rolling stock or locomotives leave the rails to avoid a collision or accident

derail

[dē′rāl]
(engineering)
To cause a railroad car or engine to run off the rails.
A device to guide railway cars or engines off the tracks to avoid collision or other accident.
References in periodicals archive ?
This was a significant attempt to derail it and police are treating it as extremely serious.
Nothing derails a journey (and change is a journey) faster than someone who just doesn't want to go.
But after all the evidence that initiatives can derail democracy, none of this is satisfactory.
He further claimed that Pakistan Tehreek-e-Insaf (PTI) chief Imran Khan wants to derail democracy in the country.
The train theoretically would derail if its speed exceeded 130 kph but it was designed to have a top speed of 120 kph, according to JR West.