NiflheimPronunciation: /ˈnɪv(ə)lˌheɪm, -ˌhʌɪm/ Scandinavian MythologyDefinition of Niflheim an underworld of eternal cold, darkness, and mist inhabited by those who died of old age or illness. Origin:from Old Norse Niflheimr, literally 'world of mist'Niflheim in other Oxford dictionaries Definition of Niflheim in the US English dictionary
