bullet
n. countablen. a small piece of metal that is shot from a gun. It is usually shaped like a cylinder with a pointed end.
n. a small metal projectile, typically cylindrical and pointed, designed to be fired from a firearm.
The police found a single bullet on the floor.
Hunters must choose the correct caliber of bullet to ensure a clean and ethical shot.
Forensic investigators can often match a recovered bullet to a specific weapon by examining the unique rifling marks left on the lead during discharge.
From Middle English bullet (“an official tag or badge of registration or identification”), from Old French bullete, diminutive of boule (“ball”). Later influenced by Middle French boulette and French boulet.
From bull + -et.
Commonly used in the idiom 'bite the bullet' to mean accepting something difficult.