The term "Zombie sword" is commonly used in popular culture, particularly in the context of video games, movies, and other media that involve fictional scenarios featuring zombies or the undead. The term does not refer to a specific historical or traditional sword.

In this context, a "Zombie sword" is typically a fictional weapon specifically designed or imagined for fighting against zombies. These swords are often depicted with unique and exaggerated designs, such as serrated or barbed blades, spikes, or other modifications intended to enhance their effectiveness against undead creatures. They are usually portrayed as powerful weapons capable of inflicting devastating damage on fictional zombies.

It's important to note that the concept of a "Zombie sword" is purely fictional and does not have a basis in historical or traditional sword designs. The term is primarily used within the context of entertainment and fictional narratives revolving around zombie-themed stories.