*pin¹/pɪn; pɪn/ n [C] 1 a short thin piece of metal with a sharp point at one end, used especially for holding pieces of cloth together 别针，大头针 2AmE a piece of jewellery fastened to your clothes by a pin 【美】 饰针 3 a thin piece of metal used to fasten things together 钉，栓: He has to have pins put in his ankle. 他的脚踝内植了钉子。 → see also 另见 PINS AND NEEDLES, ROLLING PIN, SAFETY PIN