rifling

/ˈraɪflɪŋ/
noun
  1. The spiral grooves cut inside the barrel of a gun that make the bullet spin for greater accuracy.
    • The invention of rifling made firearms much more accurate.
    • The rifling in the barrel helps the bullet travel in a straight line.
    • Gunsmiths carefully cut the rifling to improve precision.
adjective
  1. Having spiral grooves inside the barrel (of a gun).
    • A rifled barrel gives the bullet a spinning motion.
    • Most modern handguns have rifled barrels.
    • The soldier cleaned his rifled weapon after training.
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