the limb of the human body between the shoulder and the wrist

the pair of upper limbs of a human body

to give assistance or help; to lend a hand

the arm on the left side of the human body.

the crook of the arm

to let a great opportunity, chance, or prize slip through one's fingers

the upper limb of the human body, from the shoulder to the wrist

referring to a person or statue with a severed or missing arm

a trusted assistant; a key aide

an identification badge, insignia, or band worn on the upper arm or shoulder

having three heads and six arms, typically referring to the physical form of mythological figures or deities

any small, slender, long-armed arboreal ape of the family Hylobatidae, native to Southeast Asia

a reliable and capable assistant or helper

(idiom) to issue a call for action; to raise one's hand and issue a rousing call

the perpendicular distance from the axis of rotation to the line of action of a force

To overrate one's power and attempt an impossible task against a superior force; to engage in a futile act of resistance.

linking arms or walking with arms intertwined

to have perfect command of someone or something, characterized by effortless control and seamless coordination

a mechanical component acting as a lever or part of an actuator used to transmit force or motion

Perseus spiral arm (of our galaxy)

to miss meeting someone by a narrow chance or by passing each other closely

black crested gibbon (Nomascus nasutus)

Sagittarius spiral arm (of our galaxy)

to lend a helping hand

with arms crossed

the tracking arm of a gramophone or record player

the limb of a bow

to cross one's arms

to be ready and eager to get started on a task or activity

to bare one's arms (in agitation)

Orion spiral arm or local spur of our galaxy (containing our solar system)

arms like those of an ape — muscular, or long and dexterous

the articulatable arm or boom of a concrete pump or similar industrial machine used for delivering fluids to a distance

red armband (southern dialects)

power twister (fitness equipment)

tattoo-covered arm; tattoo sleeve