A device locked to the wheel of a parked vehicle to keep it from being driven, used especially to force payment of fines for unpaid parking tickets.
A large metal clamp locked to a wheel of a motor vehicle by the police to immobilize the vehicle: used primarily to force people to pay their parking tickets.
Origin of denver-boot
- After Denver one of the first cities to use it
From American Heritage Dictionary of the English Language, 5th Edition