Airgun

2 definitions found

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

  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]

From WordNet (r) 2.0 [wn]:

  airgun
       n : a gun that propels a projectile by compressed air [syn: {air
           gun}, {air rifle}]