Definition of Weichsel in English:

Weichsel

Pronunciation /ˈvīksəl/ /ˈvaɪksəl/

noun

usually as modifier
  • 1Geology
    The final Pleistocene glaciation in northern Europe.

    • ‘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.

Origin

1930s from the German name of the Vistula River in Poland.