arm

Meanings

• a human limb; technically the part of the superior limb between the shoulder and the elbow but commonly used to refer to the whole superior limb
• any projection that is thought to resemble a human arm
  • "the arm of the record player"
  • "an arm of the sea"
• any instrument or instrumentality used in fighting or hunting
• the part of an armchair or sofa that supports the elbow and forearm of a seated person
• a division of some larger or more complex organization
• the part of a garment that is attached at the armhole and that provides a cloth covering for the arm
• prepare oneself for a military confrontation
• supply with arms
  • "The U.S. armed the freedom fighters in Afghanistan"

Synonyms

branch, build up, fortify, gird, limb, sleeve, subdivision, weapon, weapon system