armarm1 /ɑrm/ ●●● noun [countable] 
1
one of the two long parts of your body between your shoulders and your hands: 
He put his arm around her. Marie touched her arm. He had a tattoo on his left/right arm. I had a pile of books in my arms. She took him by the arm (=holding his arm) and pushed him out the door.2arms [plural] weapons used for fighting wars: The law prevented the sale of arms to the rebels. nuclear arms The right to bear arms (=keep weapons for protection) is guaranteed by the Second Amendment.3the part of a chair, sofa, etc. that you rest your arms on4a sleeve5a long part of an object, that moves like an arm: the arm of the record player6a particular part of a group: the political arm of the terrorist organization7be up in arms informal to be very angry and ready to argue or fight: Parents should be up in arms about the quality of the schools. [Origin: (1) Old English earm] [Origin: (2) 1100–1200 Old French armes (plural), from Latin arma]
1 one of the two long parts of your body between your shoulders and your hands: He put his arm around her. Marie touched her arm. He had a tattoo on his left/right arm. I had a pile of books in my arms. She took him by the arm (=holding his arm) and pushed him out the door.2arms [plural] weapons used for fighting wars: The law prevented the sale of arms to the rebels. nuclear arms The right to bear arms (=keep weapons for protection) is guaranteed by the Second Amendment.3the part of a chair, sofa, etc. that you rest your arms on4a sleeve5a long part of an object, that moves like an arm: the arm of the record player6a particular part of a group: the political arm of the terrorist organization7be up in arms informal to be very angry and ready to argue or fight: Parents should be up in arms about the quality of the schools. [Origin: (1) Old English earm] [Origin: (2) 1100–1200 Old French armes (plural), from Latin arma]
