arm Meaning in the Cambridge English Dictionary
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Meaning of “arm” in the English Dictionary

"arm" in British English

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armnoun

uk   /ɑːm/  us   /ɑːrm/

arm noun (BODY PART)

A1 [C] either of the two ​longparts of the ​upperbody that are ​attached to the ​shoulders and have the ​hands at the end: My arms ​ache from ​carrying this ​bag. She put/​threw her arms round me and gave me a ​hug. He took/​held her in his arms (= ​held her ​closely). Bill ​arrived at the ​party with his new ​girlfriend on his arm (= her ​handresting on his arm).C2 [C] The arm of a ​piece of ​clothing or ​furniture is a ​part of it that you put ​your arm in or on: the arm of a ​jacket the arm of a ​chairarm in arm C2 When two ​people are arm in arm, they both have one arm ​bent at the elbow and ​passing around and ​supporting, or being ​supported by, the arm of the other ​person: We ​walked arm in arm along the ​riverbank.
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arm noun (WEAPONS)

arms [plural] weapons and ​equipment used to ​kill and ​injurepeople: They have been ​charged with ​supplying arms to the ​guerrillas. An arms cache was ​discovered in ​SouthWales. The ​minister has called on the ​terrorists to lay downtheir arms (= ​stopfighting). They are ​willing to take up arms (= ​prepare to ​fight) (against the ​government) if they have to.

arm noun (OF LAND/WATER)

[C] An arm of ​land or ​water is a ​long, ​thinpart of it that is ​joined to a ​largerarea.

arm noun (OF ORGANIZATION)

[C] An arm of an ​organization is a ​part of it that is ​responsible for a ​particularactivity or ​place: The British ​company is one arm of a ​largemultinational.

armverb

uk   /ɑːm/  us   /ɑːrm/
[I or T] to ​provide yourself or ​others with a ​weapon or ​weapons: Nobody ​knows who is arming the ​terrorists. I armed myself with a ​baseballbat and went to ​investigate the ​noise. They are ​currently arming for ​war.
Opposite
C2 [T] to ​provide yourself or ​others with ​equipment or ​knowledge in ​order to ​complete a ​particulartask: She armed herself for the ​interview by ​finding out all she could about the ​company in ​advance. I went to the ​meeting armed with the ​relevantfacts and ​figures.
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(Definition of arm from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"arm" in American English

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armnoun [C]

 us   /ɑrm/

arm noun [C] (BODY PART)

either of the two ​longparts of the ​upperbody that are ​joined to the ​shoulders and have ​hands at the end: Her arm was bandaged from ​elbow to ​wrist. He ​held his ​youngson in his arms (= ​closely). The arm of a ​piece of ​clothing or ​furniture is a ​part of it that you put ​your arm in or on: the arm of a ​jacket/​chair An arm of an ​organization is a ​part of it with ​particularresponsibilities: the company's ​investmentbanking arm

armverb [T]

 us   /ɑrm/

arm verb [T] (PROVIDE WEAPONS)

to ​provide yourself or ​others with a ​weapon or ​weapons: He armed himself with a ​baseballbat before going ​outside.
(Definition of arm from the Cambridge Academic Content Dictionary © Cambridge University Press)

"ARM" in Business English

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ARMnoun [C]

uk   us   (also variable rate mortgage) US FINANCE, PROPERTY
adjustableratemortgage: a ​loan for ​buying a ​house in which the ​interestrate can ​change: ARM ​loans

armnoun [C]

uk   us   /ɑːm/
a ​part of a large ​company or ​organization that is ​responsible for a particular ​activity or ​place: A ​loss on the ​sale of its outdoor ​advertising arm pre-tax ​profits. The German arm accounted for about 40% of ​materialshandling. The new ​constitution has ​strengthened the ​legislative arm ofgovernment.
(Definition of ARM from the Cambridge Business English Dictionary © Cambridge University Press)
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