noun Scandinavian Mythology.
- the middle earth, home of men, lying between Niflheim and Muspelheim, formed from the body of Ymir.
- Norse myth the dwelling place of mankind, formed from the body of the giant Ymir and linked by the bridge Bifrost to Asgard, home of the gods
in Germanic cosmology, “world inhabited by men (opposed to Asgard, the abode of the gods), 1882, from Old Norse miðgarðr, from mið “mid” (see mid) + Proto-Germanic *gardoz “enclosure, tract” (see yard (n.1)). The Old English cognate was middangeard, which later was folk-etymologized as middle earth (late 13c.).