Wordnet 3.0
NOUN (1)
1.
(German mythology) mythical German warrior hero of the Nibelungenlied who takes possession of the accursed treasure of the Nibelungs by slaying the dragon that guards it and awakens Brynhild and is eventually killed;
Sigurd is the Norse counterpart;
WordNet (r) 3.0 (2006):
Siegfried
n 1: (German mythology) mythical German warrior hero of the
Nibelungenlied who takes possession of the accursed
treasure of the Nibelungs by slaying the dragon that guards
it and awakens Brynhild and is eventually killed; Sigurd is
the Norse counterpart