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gun

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noun [countable] British English pronunciation: gun /ɡʌn/ 
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singulargun
pluralguns
  1. 1
    a weapon that shoots bullets, for example a pistol or a rifle. You load a gun with ammunition and pull the trigger to use it

    a gang armed with machine guns

    'Move!' said Cardiff, waving the gun at them.

    She found herself looking down the barrel of a gun.

    carry a gun:

    Their police officers all carry guns.

    draw a gun (=take it out, ready to use):

    He spun around at the noise, drawing his gun.

    aim/point a gun:

    He pointed the gun directly at me.

    pull a gun on someone (=take out a gun and point it at someone):

    Suddenly the officer pulled a gun on them.

    fire a gun:

    She was learning how to fire a gun.

    a gun goes off (=it shoots a bullet):

    A police gun went off accidentally during a search of his home.

    gun battle:

    He was shot dead in a gun battle with police.

    1. a.
      a large weapon that fires objects like large bullets, for example a cannon or a mortar

      Enemy guns fired a shell every two or three minutes.

      heavy guns:

      Our troops came under prolonged bombardment by heavy guns.

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