Viking halberd difficult to know what kind of weapon is being described in these translations, or the original texts. Many of these terms are shown below. The "atgeir" was a type of bill or halberd, from Old Norse "geirr", "spear". The "atgeirr" is thought to have been a foreign weapon and is rarely mentioned in the sagas, but is famous as the favorite weapon of Gunnar of Hlíðarendi. In Njál's saga this weapon is shown as used mostly for thrusting, but also for hewing. The "höggspjót", literally "hewing spear", takes its name from Old Norse "högg", "stroke, blow, slaughter, beheading" and "spjót",
Pole weapon blade topped with a spike mounted on a long shaft. It always has a hook or thorn on the back side of the axe blade for grappling mounted combatants. Early forms are very similar in many ways to certain forms of voulge, while 16th century and later forms are similar to the pollaxe. The Swiss were famous users of the halberd in the medieval and renaissance eras, with various cantons evolving regional variations of the basic form. In the 14th century, the basic long axe gained an armour piercing spike on the back and another on the end of the