arm

pluralarms

conjugation arming - armed - armed

noun: each of the two upper limbs of the human body from the shoulder to the hand
- She broke her arm while skiing.
noun: the part of a piece of furniture, such as a chair or sofa, that supports the forearms
- He rested his elbows on the arm of the sofa.
noun: a sleeve of a garment
- The arm of his jacket was torn.
noun: a thing that is a subsidiary or extension of a larger or more important thing, such as a branch of an organization
- The company's research and development arm is based in California.
verb: to supply or provide with weapons
- The rebels armed themselves with captured rifles.
verb: to provide or furnish something with a particular capability or resource
- The new software update will arm users with better security features.