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