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keyway

[kee-wey] /ˈkiˌweɪ/
noun
1.
Machinery. a groove in a shaft, the hub of a wheel, etc., for receiving part of a key holding it to another part.
2.
a slot in a lock for receiving and guiding the key.
3.
(in poured-concrete construction) a longitudinal groove in a footing, or in a pour that has set, providing a key for newly poured concrete.
4.
a depression or slot carved into rock to provide a bond or anchorage for a structure, as a dam.
Origin
1865-1870
1865-70; key1 + way
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for keyway
  • The keyway, or ditch, is an area excavated by the dragline along the seam coal bench.
  • The keyway, or ditch, was an area excavated by the dragline along the seam coal bench.
  • The user must align the key and keyway to advance the introducer through the guide tube.
  • The orientation of the keyway thereby defines the exit direction of the introducer.
  • Measurement will be taken along the centerline of keyway.
  • Modified keyway dimensions to ensure tighter joints between panels.
  • The keyway should be located at mid-depth of the slab to ensure maximum strength.
  • The shaft shall be turned and polished and have a keyway machined on the inboard extension to accept a coupling half.
  • One mechanic should be guiding the tire keyway onto key.
  • The impeller hub shall be provided with a keyway and key and will be locked to the pump shaft and retained with an expansion ring.
British Dictionary definitions for keyway

keyway

/ˈkiːˌweɪ/
noun
1.
a longitudinal slot cut into a component to accept a key that engages with a similar slot on a mating component to prevent relative motion of the two components
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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19
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