In the movie "Kill Bill," the main character, Beatrix Kiddo (also known as "The Bride" and played by Uma Thurman), uses a sword known as a katana. The specific design and features of the katana used in the film were custom-made for the movie's production.

While the exact details of the katana used in "Kill Bill" may vary in terms of the fictional lore and aesthetics of the film, it generally resembles a traditional Japanese katana. The katana is a type of sword characterized by its curved, single-edged blade, circular or squared guard (tsuba), long grip (tsuka), and traditional hilt wrapping (tsuka-ito).

The katana used by The Bride in "Kill Bill" is a significant element of her character and plays a prominent role in the action sequences throughout the film. It is depicted as a deadly weapon that she wields with precision and skill during her quest for revenge.

It's worth noting that the specific katana used in the movie was likely custom-made for the production and may not have an exact real-world counterpart or historical significance outside of the film's fictional universe.