The name is derived from Odin’s name Yggr (the deep thinker), and drasil (carrier) - it therefore means the Bearer or Manifestor of God.
Harper’s Book of Facts, 1905.
The Wolf, Fenrir, was bound by a fetter called Gleipnir, made from six things: “the noise a cat makes when it moves, the beard of a woman, the roots of a mountain, the sinews of a bear, the breath of a fish, and the spittle of a bird.”
The Book of Imaginary Beings by Jorge Luis Borges, 2005.
In the mythology of the Maoris of New Zealand there is an equivalent to the great Roc of the Arabic world. This is the ‘Poua-Kai’, a huge bird of terrific size and strength which, in a great battle, destroyed half the warriors of a powerful tribe with its terrible rending talons and thrusting beaks.
The Doomsday Book of Animals by David Day, 1981.