Siegfried line
noun
: a line of German defensive fortifications facing the Maginot Line (see maginot line sense 1)
Word History
Etymology
after Siegfried
Note: Siegfried Line was the English name assigned to the line, though it apparently reflects Siegfriedstellung, the German name given to the similar World War I defensive line that was called Hindenburg Line by the Allies.
First Known Use
1938, in the meaning defined above