noun

• 1Geology
  The final Pleistocene glaciation in northern Europe, corresponding to the Devensian of Britain (and possibly the Würm of the Alps).

  More example sentences

  • ‘Skjaldbreithur and the vast lava field which surrounds it were formed some nine to ten thousand years ago, after the retreat of the last great ice-age glacier (Weichsel).’

  1. 1.1The system of deposits laid down at the time of the Weichsel glaciation.