noun (n)

• a winder around which thread or tape or film or other flexible materials can be wound(noun.artifact)

  Synonym:
  reel, spool
  

  source: wordnet30
• A small pin, or cylinder, formerly of bone, now most commonly of wood, used in the making of pillow lace. Each thread is wound on a separate bobbin which hangs down holding the thread at a slight tension.(noun)

  source: webster1913