projectile
any object thrown into space (empty or not) by the exertion of a force
arrow
shafted projectile that is shot with a bow
quarrel
projectile or arrow used in a crossbow
rocket-assisted projectile
ammunition incorporating rocket propulsion
bullet
projectile propelled by a firearm, sling, or an air gun
air gun pellet
non-spherical projectile designed to be fired from an air gun, usually 4.5 mm or 5.5 mm in diameter.
Flying glass
pieces of broken glass that become sharp projectiles
flechette
projectile
flechette
projectile