<p><strong>Noun:</strong></p><ul><li>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</li><li>a form of rear bicycle wheel that has a device freeing it from the driving mechanism, as when the pedals are stopped in coasting</li></ul><p><strong>Verb:</strong></p><ul><li>(used without object) (of a vehicle or its operator) to coast with the wheels disengaged from the driving mechanism</li><li>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</li></ul>