Definition of Walpurgis night in English:

Walpurgis night

noun

  • (in German folklore) the night of April 30 (May Day's eve), when witches meet on the Brocken mountain and hold revels with the Devil.

    • ‘A fine occasion for joining was Michaelmas, or another rural feast such as Easter or Walpurgis night.’
    • ‘In the Harz mountains the Walpurgis night is always a happy festival.’

Origin

Named after St Walburga, an English nun who in the 8th century helped to convert the Germans to Christianity; her feast day coincided with an ancient pagan festival whose rites were intended to give protection from witchcraft.

Pronunciation

Walpurgis night

/valˈpʊəɡɪs/