According to the Prose Edda, a kenning for sword is "head of" this god who 
According to the Prose Edda, a kenning for sword is "head of" this god who was also known as the Golden-Toothed or Wind-Shelter.  He slept with such women as Edda and Amma as Rig, the father of mankind. Rather confusingly, he is the son of nine maidens, who are also his sisters. He rides the mount Gulltopr and has the hall Himinbjorg but he may be better known for being able to hear the grass grow.  He will fight Loki to the death at Ragnarok, which he will call to gods to battle with the Gjallarhorn. FTP, identify this watchman of the gods who guards the bridge Bifrost.
According to the Prose Edda, a kenning for sword is "head of" this god who was also known as the Golden-Toothed or Wind-Shelter.  
{Heimdall} (prompt on Rig before mentioned I guess)