Ring of the Nibelung n 1. (European Myth & Legend) German myth a magic ring on which the dwarf Alberich placed a curse after it was stolen from him 2. (Classical Music) the four operas by Wagner, Das Rheingold (1869), Die Walküre (1870), Siegfried (1876), and Götterdämmerung (1876), based on this myth. Often shortened to: The Ring Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014