From The Collaborative International Dictionary of English v.0.48:
Missile \Mis"sile\, a. [L. missils, fr. mittere, missum, to cause to go, to send, to throw; cf. Lith. mesti to throw: cf. F. missile. Cf. Admit, Dismiss, Mass the religious service, Message, Mission.] Capable of being thrown; adapted for hurling or to be projected from the hand, or from any instrument or engine[2], so as to strike an object at a distance. [1913 Webster]
We bend the bow, or wing the missile dart. --Pope. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Missile \Mis"sile\, n. [L. missile.] 1. A weapon thrown or projected or intended to be projected, as a lance, an arrow, or a bullet. [1913 Webster]
2. A rocket-propelled device designed to fly through the air and deliver a warhead of explosive materials to a target. [PJC]
Note: Numerous types of rocket-propelled missile[2] are now used in modern warfare. Some types with names indicating their range or function are: antiaircraft missile; ballistic missile; cruise missile; antiballistic missile missile; air-to-air missile; air-to-ground missile; guided missile; intercontinental ballistic missile (IBM); intermediate range ballistic missile (IRBM); surface-to-air missile.