arm

Verb

• supply with arms
  • The U.S. armed the freedom fighters in Afghanistan
    

• prepare oneself for a military confrontation
  • The U.S. is girding for a conflict in the Middle East
    
  • troops are building up on the Iraqi border
    

Noun

• the part of a garment that is attached at the armhole and that provides a cloth covering for the arm

• a division of some larger or more complex organization
  • a branch of Congress
    
  • botany is a branch of biology
    
  • the Germanic branch of Indo-European languages
    

• the part of an armchair or sofa that supports the elbow and forearm of a seated person

• any instrument or instrumentality used in fighting or hunting
  • he was licensed to carry a weapon
    

• any projection that is thought to resemble a human arm
  • the arm of the record player
    
  • an arm of the sea
    
  • a branch of the sewer
    

• 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

Related words

• Synonyms: 
  build up , fortify , gird , sleeve , branch , subdivision , weapon , weapon system , limb
• Antonyms: 
  disarm , demilitarize , demilitarise