1 egg-teinn
m. ‘edge-rim,’ one of the two rims running along the ancient swords, with a hollow between them; blánaðr ‘annarr’ eggteinninn, Nj. 203; svá at fal báða eggteina, the blade sank so deep that both edge-rims were hidden, 125, Ísl. ii. 55, Fas. ii. 415; ritað gullstöfum fram eptir eggteinum, of the sword of Charlemagne, Karl. 178.