Definition of Maginot Line in US English:

Maginot Line

proper noun

  • 1A line of defensive fortifications constructed by the French along their eastern border, extending from Switzerland to Luxembourg, between 1929 and 1936. In World War II, although the defenses held, the Germans outflanked them, going through Belgium to conquer France.

    1. 1.1also Maginot lineas noun An impressive but often ineffectual means of protection or defense.
      ‘the courts are our Maginot Line against industry’


Named after André Maginot (1877–1932), a French minister of war.


Maginot Line