from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Mythology The great ash tree that holds together earth, heaven, and hell by its roots and branches in Norse mythology.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • proper n. The World Tree in Norse mythology. The great ash tree.

from The Century Dictionary and Cyclopedia

  • n. In Scand. myth., the ash-tree which binds together heaven, earth, and hell.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. (Norse mythology) a huge ash tree whose roots and branches hold the earth and Heaven and Hell together


Old Norse.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Old Norse Yggdrasill. Commonly accepted as being composed yggr ("terrible") + drasill ("steed"), where “steed” refers to a hanging tree. (Wiktionary)



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