(n) :
A small patch of a vehicle tyre that has been flattened by abrasion with the road surface, so that the tyre is no longer smoothly circular at that point; usually caused by the wheel locking under heavy braking.
(n) :
A small patch of a vehicle tyre that has been flattened by abrasion with the road surface, so that the tyre is no longer smoothly circular at that point; usually caused by the wheel locking under heavy braking.