Axe

An axe, sometimes spelt ax, was a common type of tool. It could also be used as a weapon. Za, a caveman encountered by the First Doctor and his companions, used an axe. (TV: An Unearthly Child)

Irongron carried an axe with him around his castle. (TV: The Time Warrior)

The mysterious warrior in Marinus' Screaming Jungle used an axe to attack intruders. (TV: "The Screaming Jungle")

The Fifth Doctor used an axe to destroy the crystal through which Wrack would have channeled the Black Guardian's power to destroy the Shadow. (TV: Enlightenment)