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 ?
com/world/2009/jun/30/train-crash-viareggio-lucca) died when a freight train, which was carrying liquefied petroleum gas derailed and then exploded in Viareggio, in the central Tuscany region.
The railway authorities checked the safety of bogies after the engine was derailed.
The Rourkela-Jammu Tawi Muri Express derailed in Kaushambi district of Uttar Pradesh on May 25, 2015.
A spokeswoman said that children and adults had been injured after a mini locomotive and carriageways had derailed and overturned.
None of the 500 passengers in the derailed cars were injured, the rail company added.
Canadian Pacific Railway says an eastbound train carrying crude oil derailed around 2 p.
The Kamayani Express was on its way to Mumbai when it derailed last night, while the Janata Express was traveling in the opposite direction when it derailed soon after.
Then, less than a week later, a BNSF oil train carrying fuel from the Bakken fields of North Dakota derailed and six cars caught fire, forcing the evacuation of the tiny town of Heimdal.
Only two of the derailed cars were loaded, he said.
The derailed DB Schenker train remained strewn across the line yesterday morning.
COMMUTERS across south-east Wales were faced with severe delays after a train derailed in Barry yesterday.
Aerial view of a derailed MRT train at EDSA-Taft Ave Station causing a stampede, leaving several people injured.