(in the Nibelungenlied) the wife of Gunther, who instigated the murder of Siegfried. In the Norse versions she is a Valkyrie whom Sigurd (the counterpart of Siegfried) wins by penetrating the wall of fire behind which she lies in an enchanted sleep.
Definition of Brunhild in US English:
Brunhild
proper noun-ˌhilt
(in the Nibelungenlied) the wife of Gunther, who instigated the murder of Siegfried. In the Norse versions she is a Valkyrie whom Sigurd (the counterpart of Siegfried) wins by penetrating the wall of fire behind which she lies in an enchanted sleep.