A shaft that oscillates on its journals, instead of revolving, -- usually carrying levers by means of which it receives and communicates reciprocating motion, as in the valve gear of some steam engines; -- called also rocker, rocking shaft, and way shaft.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). Rock shaft. Retrieved September 21, 2026, from http://smartdefine.org/rock_shaft/definitions/2056323 |
| Chicago | Webster's. 2011. "Rock shaft" http://smartdefine.org/rock_shaft/definitions/2056323 (accessed September 21, 2026). |
| Harvard | Webster's 2011, Rock shaft, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/rock_shaft/definitions/2056323>. |
| MLA | Webster's. "Rock shaft" 28 May 2011. Web. 21 September 2026. <http://smartdefine.org/rock_shaft/definitions/2056323> |