(in the First World War) a German fortified line of defence on the Western Front to which Paul von Hindenburg directed retreat and which was not breached until near the end of the war.
Also called Siegfried Line
Definition of Hindenburg Line in US English:
Hindenburg Line
proper nounˈhindənbərɡ ˌlīn
(in World War I) a German fortified line of defense on the Western Front to which Paul von Hindenburg directed retreat and which was not breached until near the end of the war.