1 a small thin piece of metal with a point at one end and a hole(an eye)at the other that is used for sewing 缝衣针: to thread a needle with cotton 用棉线穿针 ☞Look at pins and needles. 参看pins and needles。

2 (also knitting needle) one of two long thin pieces of metal or plastic with a point at one end that are used for knitting 织针

3 the sharp metal part of a SYRINGE (= a device that is used for putting drugs into sb's body and for taking blood out) 注射器针头

4 a thin metal part on a scientific instrument that moves to point to the correct measurement or direction （科学仪器的）指针，磁针，刻针

5 the thin, hard pointed leaf of certain trees that stay green all year （某些常绿树的）针叶: pine needles 松针 ☞picture on page C2 见C2页插图