Arm

The limb of the human body which extends from the shoulder to the hand; also, the corresponding limb of a monkey.

Anything resembling an arm

The fore limb of an animal, as of a bear.

A limb, or locomotive or prehensile organ, of an invertebrate animal.

A branch of a tree.

A slender part of an instrument or machine, projecting from a trunk, axis, or fulcrum; as, the arm of a steelyard.

The end of a yard; also, the part of an anchor which ends in the fluke.

An inlet of water from the sea.

A support for the elbow, at the side of a chair, the end of a sofa, etc.

Fig.: Power; might; strength; support; as, the secular arm; the arm of the law.

A branch of the military service; as, the cavalry arm was made efficient.

A weapon of offense or defense; an instrument of warfare; -- commonly in the pl.

To take by the arm; to take up in one's arms.

To furnish with arms or limbs.

To furnish or equip with weapons of offense or defense; as, to arm soldiers; to arm the country.

To cover or furnish with a plate, or with whatever will add strength, force, security, or efficiency; as, to arm the hit of a sword; to arm a hook in angling.

Fig.: To furnish with means of defense; to prepare for resistance; to fortify, in a moral sense.

To provide one's self with arms, weapons, or means of attack or resistance; to take arms.

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"