noun Scandinavian Mythology.
Examples from the Web for niflheim
When a geek prince hired out as a laborer for a year on Niflheim, he did so for only one purpose—to learn Terran technologies.
Out of the flood, into the flood again,—Niflheim and Muspelheim join hands in the twilight.The Heroes of Asgard|Annie Keary
I have an idea of the sort of garbled reports these spies of his who spend a year on Niflheim as laborers bring back.
Hela All-father cast into Niflheim, where she rules over nine worlds.
They wanted Niflheim exploited, mainly because of the uranium-deposits there.