Found 2 items, similar to air gun.
English → English (WordNet) Definition: air gun air gun n : a gun that propels a projectile by compressed air [syn: airgun, air rifle]
English → English (gcide) Definition: air gun airgun \air"gun`\, air gun \air" gun`\(g[u^]n`). A kind of gun in which the elastic force of condensed air is used to discharge the ball. The air is powerfully compressed into a reservoir attached to the gun, by a condensing pump, and is controlled by a valve actuated by the trigger. The common BB gun is a type of air gun. [1913 Webster]