Poleaxe, Poleax n. Anciently, a kind of battle-ax with a long handle; later, an ax or hatchet with a short handle, and a head variously patterned; used by soldiers, and also by sailors in boarding a vessel.
... there, masterful, audacious, beautiful. He saw her, and with a glad shout sprang towards her. The Dutch master got in his way with hands upheld to arrest his progress. Levasseur did not stay to argue with him: he was too impatient to reach his mistress. He swung the poleaxe that he carried, and the Dutchman went down in blood with a cloven skull. The eager lover stepped across the body and came on, his countenance ... — Captain Blood • Rafael Sabatini