midgard

/ˈmɪdɡɑrd/
noun
  1. In Norse mythology, the realm of humans, located in the middle of the universe and surrounded by a great ocean.
    • In the stories, Midgard is connected to Asgard by the rainbow bridge Bifrost.
    • Thor protects Midgard from giants and other threats.
    • The serpent Jörmungandr encircles Midgard in the ocean.