n.
1.a clutch (as on the rear wheel of a bicycle) that allows wheels to turn freely (as in coasting) freewheel v.
1.live unhurriedly, irresponsibly, or freely
2.coast in a vehicle using the freewheel
Idiom of the Day
swear on (something)
to use something as the reason or authority that what you are saying is the truth
The accused criminal was asked to swear on a religious text at the trial to make sure that he was telling the truth.