Pollaxe

The pollaxe is a type of European polearm which was widely used by medieval infantry. It is also known by the names poleaxe, pole-axe, pole axe, polax, and Hache (French meaning axe). The term has become synonymous with felling or striking down with delivery of a blow. == Etymology == Sometimes weapons such as the halberd, the bardiche or the Dani...
Found on http://en.wikipedia.org/wiki/Pollaxe

Pollaxe

A staff weapon with a striking part in the form of an axe blade or a rectangular or triangular group of three or four short spikes. The back of the head has a short spike or a serrated hammer face while the top of the head is fitted with a thrusting spike
Found on https://www.royalarmouries.org/collections/glossary
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