knife; blade; single-edged sword; any tool used for cutting, slicing, or carving

gun; firearm; rifle; any weapon or tool with a similar shape or function, such as a spear or a spray gun

traditional double-edged sword with a central ridge and a short handle

(bound form) a long-handled ancient weapon consisting of a spear tip combined with a crescent blade; used for both stabbing and slashing. Originally a combat weapon popular from the Shang dynasty through the Jin dynasty, it later became a ceremonial or decorative item.