arm

noun countable

UK /ɑː(r)m/

Word Forms

singular	arm
plural	arms

1
one of the two long parts of your body with your hands at the end
I put my arm around his shoulders.
in someone’s arms:
She was holding the baby in her arms.
under someone’s arm (=between the arm and the side of the body):
Jim was carrying a parcel under his arm.
into someone’s arms:
The children threw themselves into their grandmother’s arms.
fold/cross your arms (=put one arm on top of the other):
She folded her arms across her chest.
take someone in your arms:
He took her in his arms and kissed her.
Synonyms and related words
General words for limbs and appendages
ankle
appendage
arch
1. 1a
  the part of a piece of clothing that your arm fits into
  Synonyms and related words
  Parts of clothes
  arm
  armhole
  basque
2
part of a chair that you rest your arm on when you are sitting in it
Synonyms and related words
Chairs and parts of chairs
arm
armchair
armrest
3
a long thin part of an object that sticks out from the main part
The crane’s huge metal arm lifted the load into the air.
Synonyms and related words
Parts of objects that stick out from the surface
arm
flap
limb
4
a part of an organization that deals with a particular subject or activity
the retailing arm of the business
an arm of the Justice Department
Synonyms and related words
Departments in companies and organizations
acquisitions
arm
back office

phrases

an arm and a leg

arm in arm

at arm’s length

arm

noun countable

US /ɑrm/

Word Forms

singular	arm
plural	arms

1
one of the two long parts of your body with your hands at the end
I put my arm around his shoulders.
in someone’s arms:
She was holding the baby in her arms.
under someone’s arm (=between the arm and the side of the body):
Jim was carrying a package under his arm.
into someone’s arms:
The children threw themselves into their grandmother’s arms.
fold/cross your arms (=put one arm on top of the other):
She folded her arms across her chest.
take someone in your arms:
He took her in his arms and kissed her.
Synonyms and related words
General words for limbs and appendages
ankle
appendage
arch
1. 1a
  the part of a piece of clothing that your arm fits into
  Synonyms and related words
  Parts of clothes
  arm
  armhole
  bib
2
part of a chair that you rest your arm on when you are sitting in it
Synonyms and related words
Chairs and parts of chairs
arm
armchair
armrest
3
a long thin part of an object that sticks out from the main part
The crane’s huge metal arm lifted the load into the air.
Synonyms and related words
Parts of objects that stick out from the surface
arm
flap
limb
4
a part of an organization that deals with a particular subject or activity
the retailing arm of the business
an arm of the Justice Department
Synonyms and related words
Departments in companies and organizations
acquisitions
arm
back office
5
a part of some animals such as an octopus that is similar to a human arm in use or appearance
Synonyms and related words
Animal body parts
anatomical
anatomy
antler

phrases

an arm and a leg

arm in arm

at arm’s length

arm

verb transitive

UK /ɑː(r)m/

Word Forms

present tense
I/you/we/they	arm
he/she/it	arms
present participle	arming
past tense	armed
past participle	armed

1
to provide yourself or other people with weapons
No government should be arming terrorists.
arm someone with something:
They quickly armed themselves with sticks.
Synonyms and related words
Supplying and using weapons and explosives
arm
armament
armed
2
to provide yourself or other people with useful or impressive equipment, information etc
arm someone with something:
I’ll need to arm myself with all the facts before meeting them formally.
Synonyms and related words
To provide something needed or missing
provide
supply
equip

arm

verb transitive

US /ɑrm/

Word Forms

present tense
I/you/we/they	arm
he/she/it	arms
present participle	arming
past tense	armed
past participle	armed

1
to provide yourself or other people with weapons
arm someone with something:
They quickly armed themselves with sticks.
No government should be arming terrorists.
Synonyms and related words
Supplying and using weapons and explosives
arm
armament
armed
2
to provide yourself or other people with useful or impressive equipment, information, etc.
arm someone with something:
I’ll need to arm myself with all the facts before meeting them formally.
Synonyms and related words
To provide something needed or missing
provide
supply
equip

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