subshaft
/ˈsʌbˌʃæft/
noun
- A smaller or secondary shaft, especially in machinery or engineering, that branches off from a main shaft.
- The mechanic inspected the subshaft for signs of wear after the main shaft was replaced.
- In the gearbox, a subshaft transfers power to the auxiliary systems.
- The design includes a subshaft that connects the motor to the pump.