arm /ɑ:m/ I. n.［c］ 1.手臂，胳膊：carry a child in one’s arms怀中抱着个孩子；carry a book under one’s arm腋下夹着一本书；have a basket on one’s arm手臂上挎着个篮子 arm in arm手挽手地：The boys ran down the road arm in arm. 孩子们手挽手地沿着大路跑着。2. (pl.) 武器，军火：provide sb. with arms 向某人提供武器；capture large quantities of arms 缴获大量军火武器 ‖II. vt. 用(武器)装备；配备：be armed to teeth 武装到牙齿；an armed uprising 武装起义 He set out armed with a raincoat and an umbrella.他出发了，带了雨衣和雨伞。