bobbin
/ˈbɒbɪn/noun
1
- a cylinder or cone holding thread, yarn, or wire, used especially in weaving and machine sewing（尤指纺织、机器缝纫中用的）圆柱形（或圆锥形）线筒, 线架。
1.1
- a spool or reel（电线、胶带、软管等的）卷轴, 线圈。
2
- a small bar attached to a string used for raising a door latch（系在绳上、用于将门闩抬起使门打开的）门闩抬手。
词源
mid 16th cent.: from French bobine, of unknown origin.