lightsaber

Noun

lightsaber (plural lightsabers)

1. 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 May 25, George Lucas, Star Wars, spoken by Obi-Wan Kenobi (Alec Guinness)
   • Wielding his flashlight like a lightsaber, Kyle sent golden shafts slicing through the swirling vapors.2004, Rob N. Hood, Beyond the Wind, Binghamton, N.Y.: Southern Tier Editions/Harrington Park Press, →ISBN, page 1
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.2019 February 19, “Lightsaber duelling registered as official sport in France”, in The Guardian, archived from the original on 08 Nov 2020