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English definition of “magnum”

magnum

noun [C] (GUN)    /ˈmæɡ.nəm/ trademark
a type of gun with bullets that are fired with more power than is usual for a gun of that sizeHandguns and riflesAiming and aimHand weapons
(Definition of magnum noun (GUN) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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