| 1. | the upper limb of the human body, esp. the part extending from the shoulder to the wrist. |
| 2. | the upper limb from the shoulder to the elbow. |
| 3. | the forelimb of any vertebrate. |
| 4. | some part of an organism like or likened to an arm. |
| 5. | any armlike part or attachment, as the tone arm of a phonograph. |
| 6. | a covering for the arm, esp. a sleeve of a garment: the arm of a coat. |
| 7. | an administrative or operational branch of an organization: A special arm of the government will investigate. |
| 8. | Nautical. any of the curved or bent pieces of an anchor, terminating in the flukes. |
| 9. | an armrest. |
| 10. | an inlet or cove: an arm of the sea. |
| 11. | a combat branch of the military service, as the infantry, cavalry, or field artillery. |
| 12. | power; might; strength; authority: the long arm of the law. |
| 13. | Typography. either of the extensions to the right of the vertical line of a K or upward from the vertical stem of a Y. |
| 14. | an arm and a leg, a great deal of money: Our night on the town cost us an arm and a leg. |
| 15. | arm in arm, with arms linked together or intertwined: They walked along arm in arm. |
| 16. | at arm's length, not on familiar or friendly terms; at a distance: He's the kind of person you pity but want to keep at arm's length. |
| 17. | in the arms of Morpheus, asleep: After a strenuous day, he was soon in the arms of Morpheus. |
| 18. | on the arm, Slang. free of charge; gratis: an investigation of policemen who ate lunch on the arm. |
| 19. | put the arm on, Slang.
|
| 20. | twist someone's arm, to use force or coercion on someone. |
| 21. | with open arms, cordially; with warm hospitality: a country that receives immigrants with open arms. |

s, -fyoos]
| 1. | Classical Mythology. a son of Hypnos and the god of dreams. |
| 2. | in the arms of Morpheus, asleep. |
) form + L -eus n. suffix; coined by Ovid, with allusion to the forms seen in dreams
A Roman god of sleep and dreams.
Note: Someone who is “in the arms of Morpheus” is asleep.
Note: The narcotic morphine was named after Morpheus.
arm
|
arm 1 (ärm)
n.
An upper limb of the human body, connecting the hand and wrist to the shoulder.