turboshaft
/ˈtɜrboʊˌʃæft/
noun
- A type of gas turbine engine that powers a shaft, used mainly in helicopters and some vehicles.
- The helicopter's turboshaft engine provides reliable power for takeoff and landing.
- Engineers are designing a new turboshaft that is more fuel-efficient for military aircraft.
- The turboshaft in the tank generates enough torque to move the heavy vehicle over rough terrain.