1. king of Prussia from 1740 to 1786; brought Prussia military prestige by winning the War of the Austrian Succession and the Seven Years' War (1712-1786) • Syn: Frederick the Great • Instance Hypernyms: king, male monarch, Rex 2. the Holy Roman Emperor who led the Sixth Crusade and crowned himself king of Jerusalem (1194-1250) • Syn: Holy Roman Emperor Frederick II • Instance Hypernyms: Holy Roman Emperor
