"river flats" in German river flats Flussauen Auen Flussniederungen Detailed translations for "river flats" river flats river flats(also: alluvial flats, river meadows) Flussauen{masculine plural} river flats(also: alluvial area, alluvial land, alluvial flats, river meadows) Auen{masculine plural} river flats Flussniederungen{masculine plural}