- a device in the transmission of a motor vehicle that automatically disengages the drive shaft whenever it begins to turn more rapidly than the engine.
- a form of rear bicycle wheel that has a device freeing it from the driving mechanism, as when the pedals are stopped in coasting.
- (of a vehicle or its operator) to coast with the wheels disengaged from the driving mechanism.
- to move or function freely, independently, unconcernedly, or the like (often followed by about, through, around, etc.): The two friends freewheeled around the country after graduation.
- a ratchet device in the rear hub of a bicycle wheel that permits the wheel to rotate freely while the pedals are stationary
- a device in the transmission of some vehicles that automatically disengages the drive shaft when it rotates more rapidly than the engine shaft, so that the drive shaft can turn freely
- to coast in a vehicle or on a bicycle using the freewheel
