Ymir (ēˈmĕr) [key], in Norse mythology, primeval giant and progenitor of a race of giants. Odin and his brothers slew Ymir; from his skull they fashioned the sky, from his flesh the earth, from his bones the mountains, and from his blood the sea.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
More on Ymir from Infoplease:
See more Encyclopedia articles on: Folklore and Mythology