lightsaber

lightsabernoun/ˈlaɪtˌseɪ.bə(ɹ)/

• 1

  literaturemediapublishingA 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.
  • Wielding his flashlight like a lightsaber, Kyle sent golden shafts slicing through the swirling vapors.
• 2

  A real-world toy, prop, or device fashioned after the fictional lightsaber.

  • The country’s fencing federation has officially recognised lightsaber duelling as a competitive sport, granting the weapon from George Lucas’s space saga the same status as the foil, epee and sabre, the traditional blades used at the Olympics.