projectile

Short definition from Wiktionary

Noun

1. 1
   An object intended to be or having been shot from a weapon.
2. 2
   Any object propelled or thrown through space by the application of a force, such as strong wind.

Adjective

1. 1
   Projecting or impelling forward.
2. 2
   Caused or imparted by impulse or projection; impelled forward.