Definition from Wiktionary, the free dictionary
- (Norse mythology and Heathenry) Yggdrasil.
1993, Bernard King, The elements of the Runes, Thorsons Element, ISBN 9781862040373, page 95:
- Ash is a strongly runic tree by implication, the world-ash Yggdrasil being the tree from which Odin hung in order to obatin the runes.
1988, David A. White, The turning wheel: a study of contracts and oaths in Wagner's ring, page 108:
- This eventuality would not be surprising if the world ash was, at the time, a small young tree.