arm

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arm1 / ärm/ • n. 1. each of the two upper limbs of the human body from the shoulder to the hand. ∎  (in technical use) each of these upper limbs from the shoulder to the elbow. ∎  each of the forelimbs of an animal. ∎  a flexible limb of an invertebrate animal, e.g., an octopus. ∎  a sleeve of a garment. ∎  an ability to throw a ball skillfully: he has a good arm. ∎  an athlete with such an ability. ∎  used to refer to the holding of a person's arm in support or companionship: he arrived with a pretty girl on his arm. ∎  used to refer to something perceived as powerful or protective: the comforting arms of the church.2. a thing resembling an arm in form or function, in particular: ∎  a side part of a chair or other seat on which a sitter's arm can rest. ∎  a narrow strip of water or land projecting from a larger body. ∎  a large branch of a tree. ∎ fig. a long, narrow shape or object: a long arm of sunshine.3. a branch or division of a company or organization: the political arm of the separatist group. ∎  one of the types of troops of which an army is composed, such as infantry or artillery.4. Math. each of the lines enclosing an angle.PHRASES: arm in arm (of two or more people) with arms linked.the long arm of the law used to refer to the criminal justice system as far-reaching.at arm's length away from the body, with the arm fully extended: I held the telephone at arm's length. cost an arm and a leg inf. be extremely expensive.give one's right arm inf. used to convey a strong desire to have or do something: I'd give my right arm to go with them.in arms (of a baby) too young to walk: a babe in arms.keep someone/something at arm's length avoid intimacy or close contact with someone or something.under one's arm between one's arm and one's body: Barbara tucked the papers under her arm.with open arms with great affection or enthusiasm.within arm's reach near enough to reach by extending one's arm.DERIVATIVES: arm·ful / -ˌfoŏl/ n. (pl. -fuls) arm·less adj.arm2 • v. [tr.] supply or provide with weapons: both sides armed themselves with grenades and machine guns. ∎  supply or provide with equipment, tools, or other items in preparation or readiness for something: she armed them with brushes and mops. ∎  activate the fuse of (a bomb or other device) so that it is ready to explode. • n. see arms.

ARM

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ARM • abbr. adjustable rate mortgage.

arm

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arm1 upper limb of the body. OE. arm (earm) = OS., OHG. (Du., G.) arm, ON. armr, Goth. arms :- Gmc. *armaz; cf. L. armus shoulder (of animal), Skr. īrmá- arm, etc.

arm

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arm2 (pl.) weapons for fighting. XIII. — (O)F. armes :- L. arma n. pl. (no sg.).
So arm vb. XIII. — (O)F. armer :- L. armāre.

ARM

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ARM n. artificial rupture of membranes: see amniotomy.

ArM

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ArM Master of Architecture (Latin Architecturae Magister)

Arm

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Arm (ɑːm) Computing Acorn RISC machine

arm

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arm To bring a device to a state of readiness.