from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An opening made to fit a thumb, as in a bowling ball.
  • n. Music The hole on a wind instrument that is opened or closed with the thumb.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A hole designed to receive a thumb.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the hole in a woodwind that is closed and opened with the thumb
  • n. a finger hole made to fit the thumb (as in a bowling ball)


thumb +‎ hole (Wiktionary)



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