rockshaft

[rok-shaft, -shahft]

noun Machinery.

an oscillating shaft.

Nearby words

  1. rockoon,
  2. rockrose,
  3. rockrose family,
  4. rocks,
  5. rocks in one's head, have,
  6. rockumentary,
  7. rockville,
  8. rockville centre,
  9. rockweed,
  10. rockwell

Origin of rockshaft

First recorded in 1870–75; rock2 + shaft

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for rockshaft

rockshaft

noun

a shaft that rotates backwards and forwards rather than continuously, esp one used in the valve gear of a steam engine
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