arm1 (ɑːm) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) |
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| —n |
| 1. | (in man) either of the upper limbs from the shoulder to the wristRelated: brachial |
| 2. | the part of either of the upper limbs from the elbow to the wrist; forearm |
| 3. | a. the corresponding limb of any other vertebrate |
| | b. an armlike appendage of some invertebrates |
| 4. | an object that covers or supports the human arm, esp the sleeve of a garment or the side of a chair, sofa, etc |
| 5. | anything considered to resemble an arm in appearance, position, or function, esp something that branches out from a central support or larger mass: an arm of the sea; the arm of a record player |
| 6. | an administrative subdivision of an organization: an arm of the government |
| 7. | power; authority: the arm of the law |
| 8. | any of the specialist combatant sections of a military force, such as cavalry, infantry, etc |
| 9. | nautical See yardarm |
| 10. | esp sport, ball games ability to throw or pitch: he has a good arm |
| 11. | informal an arm and a leg a large amount of money |
| 12. | arm in arm with arms linked |
| 13. | at arm's length at a distance; away from familiarity with or subjection to another |
| 14. | informal give one's right arm to be prepared to make any sacrifice |
| 15. | in the arms of Morpheus sleeping |
| 16. | with open arms with great warmth and hospitality: to welcome someone with open arms |
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| —vb |
| 17. | archaic (tr) to walk arm in arm with |
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| Related: brachial |
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| [Old English; related to German Arm, Old Norse armr arm, Latin armus shoulder, Greek harmos joint] |
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| 'armless1 |
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| —adj |
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| 'armlike1 |
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| —adj |