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

  • n. A slot for a key in the hub or shaft of a wheel.
  • n. The keyhole of a cylinder lock.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A slot into which a precision attachment (a key) is fitted

from the GNU version of the Collaborative International Dictionary of English

  • n. a channel for a key, in the hole of a piece which is keyed to a shaft; an internal key seat; -- called also key seat.
  • n. See Key way, under key.

from The Century Dictionary and Cyclopedia

  • n. A mortise made for the reception of a key; a slot in the round hole of a wheel for the reception of the key whereby the wheel is secured to the shaft.


Sorry, no etymologies found.


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