derail Meaning and Definition
جڑ سے اکھاڑ پھینکنا
jar say ukhaar phenkna
استیصال کرنا
istisaal karna
A derail or derailer is a device used to prevent fouling of a rail track (anything being present on the track: a person, a train, a branch, etc.) by unauthorized movements of trains or unattended rolling stock.
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