Hǫfuð

Hǫfuð ("man-head", Norwegian hovud, Danish hoved, Swedish huvud and Icelandic höfuð) is the sword of Heimdall. It is mentioned in Gylfaginning chapter 26.

Anthony Faulkes's edition:

Heimdalar sverð er kallat Hǫfuð.

Arthur Brodeur's translation:

Heimdallr's sword is called Head. Archived 2016-03-04 at the Wayback Machine

The Skáldskaparmál also mentions a mysterious myth about Heimdall's head and sword in its eighth chapter.