derail

(redirected from derailment)
Also found in: Dictionary, Thesaurus, Medical, Legal, Wikipedia.

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 accident was followed by the derailment of nine coaches of the Kaifiyat Express on the intervening night of August 22 and 23, injuring around 50.
Incidentally, Thursday's derailment occurred days before major infrastructural repairs were scheduled to begin at the Pennsylvania station.
Since 2008, there have been at least 10 major oil-train derailments across the US and Canada, including a disaster that killed 47 people in a Quebec town in July 2013.
Officials say the number of people unaccounted for after the derailment was not yet confirmed and that search-and-rescue work was taking precedence over the investigation.
To recall, the PNR has indefinitely suspended the operation of its Metro South Commuter (MSC) line following a derailment accident last week.
Two of the train's cars, carrying Bakken crude from North Dakota, caught fire after a derailment near Galena, Ill.
The latest Canadian derailment, involving a Canadian National Railway Co.
7, 2013, following a derailment of an oil-packed train that ultimately killed 47 people.
Wednesday in a derailment that prompted the evacuation of nearly 700 nearby residents, authorities said.
Metropolitan Transportation Authority spokeswoman Marjorie Anders said the big curve where the derailment occurred is in a slow speed area.
Click "next" to read more and see pictures from the deadly derailment.