Definition & Meaning of "yggdrasil"

What is "Yggdrasil"?

Yggdrasil is a central element in Norse mythology, described as a vast, sacred ash tree that connects and supports the entire cosmos. It is considered the "World Tree", linking the Nine Worlds of Norse cosmology, including Asgard, home of the gods, Midgard, home of humans, and Niflheim, realm of the dead. Yggdrasil is depicted as a great tree with roots and branches extending into various realms, and it is central to many myths involving the gods and cosmic events. Its health and well-being are vital to the balance and stability of the universe in Norse belief.