[1] : The Collaborative International Dictionary of English v.0.48

airgun \air"gun`\, air gun \air" gun`\gu^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
see also:
bb gun 

[2] : WordNet (r) 2.0

airgun
     n : a gun that propels a projectile by compressed air syn: air
         gun, air rifle
see also:
air gun air rifle 

Airgun >> A Words
Airgun, definition of term: Airgun
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