Dictionary
Ygg•dra•sil
Pronunciation: (ig'dru-sil, yg'-), [key]—
n. Scand. Myth.
an evergreen ash tree, the three roots of which bind together Asgard, Midgard, and Niflheim.
Also,Yg'dra•sil.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.