Rhineland-Palatinate
geographical name
variants:
or German Rheinland-Pfalz \ ˈ(p)fälts 
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Definition of Rhineland-Palatinate
state of Germany and formerly of West Germany chiefly west of the Rhine River and bordering France, Luxembourg, and Belgium; capital Mainz area 7654 square miles (19,900 square kilometers), population 3,989,808