Definition of Weichsel in English:

Weichsel

noun

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

    • ‘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 River Vistula in Poland.

Pronunciation:

Weichsel

/ˈvʌɪks(ə)l/