maginot line

from WordNet (r) 3.0 (2006)
Maginot Line
    n 1: a fortification built before World War II to protect
         France's eastern border; initially considered to be
         impregnable, it was easily overrun by the German army in
         1940
    
from The Collaborative International Dictionary of English v.0.48
Maginot line \Maginot line\ prop. n.
   A line of fortifications built before World War II to protect
   France's eastern border.
   [WordNet 1.5]
    

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