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English definition of “gun”

gun

noun [C]     /ɡʌn/
B1 a weapon that bullets or shells (= explosive containers) are fired from: The British police do not carry guns. You could hear the noise of guns firing in the distance.Handguns and riflesAiming and aimHand weapons in sport, a device that makes a very loud sudden noise as a signal to start a race: At the gun, the runners sprinted away down the track.Athletics a device that you hold in your hand and use for sending out a liquid or object: a spray gun → See also staple gunToolsGardening tools hired gun mainly US informal a person who is paid to shoot and kill someoneMurderers and attackers
(Definition of gun noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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