1. arm, limb

usage: 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

2. arm, branch, limb, projection

usage: 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"

3. weapon, arm, weapon system, instrument

usage: any instrument or instrumentality used in fighting or hunting; "he was licensed to carry a weapon"

4. arm, armrest

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

5. branch, subdivision, arm, division

usage: 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"

6. sleeve, arm, cloth covering

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


1. arm, build up, fortify, gird

usage: 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"

2. arm, supply, provide, render, furnish

usage: supply with arms; "The U.S. armed the freedom fighters in Afghanistan"

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See also: arm (Dictionary)