- 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.
- the proprietary name of toys based on or related to the laser weapons used in the science fiction franchise Star Wars.
Origin of lightsaber
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for lightsaber
He needed stitches after a lightsaber battle with his brother when he was in the third grade.‘Star Wars Rebels’ Explores the Jedi’s Lost Years Between the Prequels and the Original Trilogy
August 2, 2014