arm
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.1arm
noun \ˈärm\Definition of ARM
1
: a human upper limb; especially : the part between the shoulder and the wrist
2
: something like or corresponding to an arm: as a : the forelimb of a vertebrate b : a limb of an invertebrate animal c : a branch or lateral shoot of a plant d : a slender part of a structure, machine, or an instrument projecting from a main part, axis, or fulcrum e : the end of a ship's yard; also : the part of an anchor from the crown to the fluke — see anchor illustration f : any of the usually two parts of a chromosome lateral to the centromere
3
: an inlet of water (as from the sea)
4
: a narrow extension of a larger area, mass, or group
6
: a support (as on a chair) for the elbow and forearm
7
: sleeve
8
: the ability to throw or pitch a ball well; also : a player having such ability
9
: a functional division of a group, organization, institution, or activity <the logistical arm of the air force>
— arm·less \ˈärm-ləs\ adjective
— arm·like \-ˌlīk\ adjective
— arm in arm
: with arms linked together <walked down the street arm in arm>
Origin of ARM
Middle English, from Old English earm; akin to Latin armus shoulder, Sanskrit īrma arm
First Known Use: before 12th century
Other Anatomy Terms
2arm
verbDefinition of ARM
transitive verb
1
: to furnish or equip with weapons
2
: to furnish with something that strengthens or protects <arming citizens with the right to vote>
3
: to equip or ready for action or operation <arm a bomb>
intransitive verb
: to prepare oneself for struggle or resistance <arm for combat>
See Examples of ARM
- They armed the men for battle.
- The group of fighters was armed by a foreign government.
- The two countries have been arming themselves for years, but now they have agreed to disarm.
- We armed ourselves with the tools we would need to survive in the forest.
- They arm people with accurate information.
- arming women with the right to vote
- Once the bomb has been armed, we have five minutes to escape.
Origin of ARM
Middle English armen, from Anglo-French armer, from Latin armare, from arma weapons, tools; akin to Latin ars skill, Greek harmos joint, arariskein to fit
First Known Use: 12th century
3arm
noun, often attributiveDefinition of ARM
1
a : a means (as a weapon) of offense or defense; especially : firearm b : a combat branch (as of an army) c : an organized branch of national defense (as the navy)
2
plural a : the hereditary heraldic devices of a family b : heraldic devices adopted by a government
3
— up in arms
: aroused and ready to undertake a fight or conflict <voters up in arms over the proposed law>
Origin of ARM
Middle English armes (plural) weapons, from Anglo-French, from Latin arma
First Known Use: 13th century
Arm
abbreviationARM
abbreviationDefinition of ARM
adjustable rate mortgage
Other Economics Terms
arm
noun \ˈärm\ (Medical Dictionary)Medical Definition of ARM
1
a : a human upper limb b : the part of the human upper limb between the shoulder and the wrist; also : brachium
2
a : the forelimb of a vertebrate other than a human being b : a limb of an invertebrate animal c : any of the usually two parts of a chromosome lateral to the centromere
arm
noun (Concise Encyclopedia)Upper limb of a biped, particularly a primate. Primate arms have one long bone, the humerus, in the upper arm above the elbow, and two thinner bones, the radius and ulna, in the forearm. The triceps muscle straightens the forearm at the elbow joint; the brachialis and biceps muscles bend it. Forearm and small muscles in the hand move the hand and fingers. The term may also denote the limb or the locomotive or prehensile organ of an invertebrate (e.g., the ray of a starfish or the tentacle of an octopus).
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