The poleaxe is a European polearm that was used by medieval infantry. Poleaxes differ from halberds because the blade is vertical, not diagonal, and poleaxes are generally shorter than halberds.
15th-century Venetian poleaxe at the Metropolitan Museum of Art
Godfrey of Bouillon holds a short Lucerne hammer. Anachronistic fresco dated 1420.
Guards of the pollax in armourp, from Philippo di Vadi's treatise on fencing entitled De Arte Gladiatoria Dimicandi
A polearm or pole weapon is a close combat weapon in which the main fighting part of the weapon is fitted to the end of a long shaft, typically of wood, extending the user's effective range and striki
Poleaxe
…The poleaxe (also poleax, pollaxe and other similar spellings) is a European polearm that was used by medieval infantry. Poleaxes differ from halberds because the blade is vertical, not diagonal, and poleaxes are generally shorter than…
A variety of polearms consisting of morning stars, halberds, partisans, spontoons, war scythes, and a ranseur in the center
Evolution of various European polearms from the 13th to 18th centuries
Triple dagger-axe ji, Warring States period