Driveshaft
Origin
From drive#Noun + shaft#Noun.
Full definition of driveshaft
Noun
driveshaft
(plural driveshafts)- A shaft used to transmit rotary motion.
- The driveshaft of an automobile transfers power from the engine to the wheels.
- ''A windmill transmits motion to the ground level via a vertical driveshaft, which operates a water pump.