Definition of Niflheim in US English:

Niflheim

Pronunciation /ˈnifəlˌhīm//ˈnivəlˌhām/

proper noun

Scandinavian Mythology
  • An underworld of eternal cold, darkness, and mist inhabited by those who died of old age or illness.

    the netherworld, the abode of the dead, the land of the dead, the infernal regions, the inferno, the nether regions, the abyss
    View synonyms

Origin

From Old Norse Niflheimr, literally ‘world of mist’.

Pronunciation

Niflheim

/ˈnifəlˌhīm//ˈnivəlˌhām/