Synonym: defend, empower, equip, fortify, weapon. Antonym: disarm. Similar words: farm, farmer, armed, charm, warmth, warm up, harmony. Meaning: [ɑːm] 
n. 1. a human limb; technically the part of the superior limb between the shoulder and the elbow but commonly used to refer to the whole superior limb 2. any instrument or instrumentality used in fighting or hunting 3. an administrative division of some larger or more complex organization 4. any projection that is thought to resemble a human arm 5. the part of an armchair or sofa that supports the elbow and forearm of a seated person 6. the part of a garment that is attached at the armhole and that provides a cloth covering for the arm. v. 1. prepare oneself for a military confrontation 2. supply with arms.
n. 1. a human limb; technically the part of the superior limb between the shoulder and the elbow but commonly used to refer to the whole superior limb 2. any instrument or instrumentality used in fighting or hunting 3. an administrative division of some larger or more complex organization 4. any projection that is thought to resemble a human arm 5. the part of an armchair or sofa that supports the elbow and forearm of a seated person 6. the part of a garment that is attached at the armhole and that provides a cloth covering for the arm. v. 1. prepare oneself for a military confrontation 2. supply with arms. 
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31. The athlete broke an arm while climbing a cliff.
32. She pinched my arm hard, and it still hurts.
33. I grasped his arm firmly and led him away.
34. I touched him lightly on the arm.
35. The knife cut the flesh of his arm.
36. He has cracked a bone in his arm.
37. He grabbed me by the arm.
38. She reached out to touch his arm.
39. The nurse stuck the needle into my arm.
40. He has a bullet wound in the left arm.
41. He put a proprietorial arm around her.
42. I was stung on the arm by a wasp.
43. She fell off a ladder and broke her arm.
44. His hand was severed from his arm.
45. She touched him gently on the arm.
46. The fall from his horse broke his arm.
47. He escaped with only a broken arm.
48. She bumped her arm on the table.sentencedict.com
49. She scratched at the insect bites on her arm.
50. He bashed his arm against a shelf.
51. I've lost all feeling in the left arm.
52. They walked along arm in arm .
53. The injured arm was bound by bandage.
54. The stranger fastened on my arm.
55. Much of the skin on her arm was abraded.
56. The red spot on his arm is a sting.
57. She took a tight hold of his arm.
58. He touched me on the arm.
59. It left a black smear on his arm.
60. Her arm was mutilated in the accident.