Yggdrasil(redirected from Yggdrasill)
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Ygg·dra·silalso Yg·dra·sil (ĭg′drə-sĭl, üg′-)
n. Norse Mythology
The great ash tree that holds together earth, heaven, and hell by its roots and branches.
(Norse Myth & Legend) Norse myth the ash tree that was thought to overshadow the whole world, binding together earth, heaven, and hell with its roots and branches
[Old Norse (probably meaning: Uggr's horse), from Uggr a name of Odin, from yggr, uggr frightful + drasill horse, of obscure origin]
or Yg•dra•sil(ˈɪg drə sɪl, ˈüg-)
(in Norse myth) a great ash tree situated in the center of the world, with roots extending into Asgard and Niflheim.