arm
noun
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the part of an armchair or sofa that supports the elbow and forearm of a seated person
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any projection that is thought to resemble a human arm“the arm of the record player”branchlimb
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the part of a garment that is attached at the armhole and that provides a cloth covering for the armsleeve
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any instrument or instrumentality used in fighting or huntingweaponweapon system
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a human limbleg
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a division of some larger or more complex organizationsubdivision
verb
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to supply with weapons“The U.S. armed the freedom fighters in Afghanistan.”