river 820 miles (1320 kilometers) long in western Europe flowing from southeastern Switzerland to the North Sea in the Netherlands and forming the western boundary of Liechtenstein and Austria and the southwestern boundary of Germany
rhenish
geographical name(Rhine)
either of two districts of southwestern Germany once ruled by counts palatine of the Holy Roman Empire: the Rhenish Palatinate on the Rhine River east of Saarland and the Upper Palatinate on the Danube River around Regensburg