1 a thin wire in a LIGHT BULB (= the glass part of an electric lamp) that produces light when electricity is passed through it （电灯泡的）灯丝 ☞picture at bulb 见bulb插图

2 a long thin piece of sth that looks like a thread 丝状物: glass/metal filaments 玻璃╱金属丝

3 a long thin part of the male part of a flower(stamen)that supports the part where POLLENis produced(anther) 花丝（雄蕊的组成部份，支撑着花药） ☞picture at flower 见flower插图