Halberd
Part of speech: noun
Definition: A hand weapon consisting of a long pole fitted with a metal head; the head consists of a blade similar to an axe and usually a spike or hook.
Poleaxe
Part of speech: noun
Definition: an ax having both a blade and a hammer face; used to slaughter cattlea long-handled battle-ax, being a combination of ax, hammer and pike
Part of speech: verb
Definition: to fell someone with, or as if with, a poleaxe