n.
1.a human limb
2.any instrument or instrumentality used in fighting or hunting
3.an administrative division of some larger or more complex organization
4.any projection that is thought to resemble an arm
5.the part of an armchair or sofa that supports the elbow and forearm of a seated person
6.the part of a garment that is attached at armhole and provides a cloth covering for the arm arm v.
1.prepare oneself for a military confrontation
2.supply with arms