to damage (the surface of something) or hurt (a part of your body) by rubbing something rough or sharp against it or by making it rub against something rough or sharp
to rub or cause (something) to rub against a hard surface and make a harsh and usually unpleasant sound
to remove (something) from a surface by rubbing an object or tool against it —often + off
2scrapenoun
a mark or injury that is caused by something rubbing against something else
a bad, dangerous, or unpleasant situation
a harsh and usually unpleasant sound that is made when something rubs against a hard surface