nifl'h[=i]m, n. (Scand. myth.) a region of mist, ruled over by Hel.
In Norse Myth., the home of the Niflungs or Nibelungs, or children of the mist [cf. Gr., L.]-the dreary realm beneath the earth, ruled by the goddess Hel. See Lay of the Nibelungen; Yggdrasil.