We found 4 definitions of air gun from 4 different sources.
Noun |
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air gun - a gun that propels a projectile by compressed air | ||
airgun, air rifle | ||
gun the discharge of a firearm as signal or as a salute in military ceremonies; "two runners started before the gun"; "a twenty gun salute" | ||
bb gun an air gun in which BBs are propelled by compressed air |