Merriam-Webster Collegiate Dictionary - saar

 geographical name  1. (or French Sarre) river about 150 miles (241 kilometers) Europe flowing from Vosges Mountains in France N to the Moselle in W Germany  2. (or ~land) region W Europe in basin of ~ River between France & Germany; once part of Lorraine, became part of Germany in 19th century; administered by League of Nations 1919-35; became a state of Germany 1935; came under control of France after World War II; to West Germany by a plebiscite January 1, 1957, as a state ( ~land) capital ~brucken area 991 square miles (2567 square kilometers), population 1,073,000