lightsabre UK /ˈlaɪtˌseɪ.bə(ɹ)/US /ˈlaɪtˌseɪ.bɚ/ noun2 •A sword having a blade made of a powerful beam of light or energy.[Obi-Wan Kenobi to Luke Skywalker] Your father's lightsaber. This is the weapon of a Jedi Knight. Not as clumsy or random as a blaster. An elegant weapon for a more civilized age. — 1977 •A real-world toy, prop, or device fashioned after the fictional lightsaber. formslightsabres