The definition of a missile is something that's able to be launched, fired or shot into the air or at a target.(noun)
An example of a missile is a rocket.
See missile in Webster's New World College Dictionary
Origin: L missilis < missus: see mission
See missile in American Heritage Dictionary 4
Origin: , from
Origin: neuter of missilis, able to be thrown
Origin: , from missus
Origin: , past participle of mittere, to let go, throw.
Learn more about missile