lightsaber

American  

[lahyt-sey-ber] / ˈlaɪtˌseɪ bər /

noun

1. a type of sword, as depicted in the fictional Star Wars universe, with a blade made of laser energy that can both cut and burn.

   The Jedi knight drew his lightsaber and prepared to defend himself.

---

Trademark.

1. a brand name for toys based on or related to the laser weapons used in the science fiction franchise Star Wars .

Etymology

Origin of lightsaber

First recorded in 1977; light ¹ ( def. ) + saber ( def. )

Example Sentences

The three-year agreement allowed people to wield a lightsaber with Luke Skywalker or insert themselves into Toy Story.

From The Wall Street Journal • Mar. 24, 2026

A harpoon gun from "Jaws," a jacket worn by "The Terminator," and a "Star Wars" lightsaber hilt and C-3PO head are among the eye-catching items to be sold at auction next month.

From Barron's • Feb. 25, 2026

The lightsaber was originally a 1950s camera flash bulb attachment which the production team modified into the piece, according to Propstore's catalogue.

From BBC • Aug. 6, 2025

Osha receives no such instruction; the ex-Padawan is too immersed in passion to even notice the crystal bleeding until she ignites Sol's lightsaber.

From Salon • Jul. 22, 2024

“Hey, you’re the one who asked me about it,” she answered, putting the lightsaber back.

From "Auggie & Me" by R. J. Palacio