Sieg‧fried Line, the /ˈsiːɡfriːd ˌlaɪn/
a line of military defences that the German armies built on the Western Front during World War I and before and during World War II. There is a famous song which was sung by British soldiers that begins ‘We’re going to hang out our washing on the Siegfried Line...’

[TahlilGaran] Dictionary of Contemporary English ▲