A wheel clamp is a large metal device which is fitted to the wheel of an illegally parked car or other vehicle in order to prevent it from being driven away. The motorist has to pay to have the clamp removed
If a car is wheel clamped, a wheel clamp is fixed to one of its wheels so that it cannot be driven away. Unauthorized vehicles will be wheel clamped or towed away. + wheel-clamping wheel-clamping drivers forced to pay wheel-clamping charges. a metal object that is fastened to the wheel of an illegally parked car so that it cannot be driven away American Equivalent: denver boot