Driveshaft (noun)

A rotating shaft used in vehicles and machinery to transfer power from the engine or motor to the wheels or other parts that perform work.

Origin:

From drive + shaft.

Examples:

1. The driveshaft is an important component of a car's powertrain.
2. The broken driveshaft caused the car to stop moving.
3. The mechanic replaced the damaged driveshaft with a new one.
4. In a front-wheel drive car, the driveshaft runs between the engine and the front wheels.
5. The driveshaft must be balanced precisely to prevent vibration and wear.