World Tree, generally an ash, more correctly identified in later times as a Yew. The word Yggdrasil means literally "gallow" or "horse" of Ygg (i.e., Odin).
An ENORMOUS thank you to our LlewellynCon presenters today: Nancy Antenucci, Samantha Rose Hicks, Debora Greer, and the authors of Theurgy (Jean-Louis de Biasi; Tony Mierzwicki; Clio Ajana; Hercules Invictus; Patrick Dunn; Brandy Williams; and...