(n.) A secondary shaft, as in a sliding change gear for an automobile; a cam shaft operated by a two-to-one gear in an internal-combustion engine. It is generally a shaft moving more or less independently of the other parts of a machine, as, in some marine engines, a shaft, driven by a small auxiliary engine, for independently operating the valves of the main engine to insure uniform motion.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). layshaft. Retrieved September 21, 2026, from http://smartdefine.org/layshaft/definitions/2027000 |
| Chicago | Webster's. 2011. "layshaft" http://smartdefine.org/layshaft/definitions/2027000 (accessed September 21, 2026). |
| Harvard | Webster's 2011, layshaft, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/layshaft/definitions/2027000>. |
| MLA | Webster's. "layshaft" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/layshaft/definitions/2027000> |