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from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A type of screw commonly used to regulate the height of the action in a piano. The capstan screw is designed to be turned from the side, not the head, unlike an ordinary screw. A lever enters a hole in the side of the screw to turn it.
  • n. Mainly on sailboats, the mechanism for winding ropes under a lot of tension; a capstan.


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