English definition of “scratch”
RUB SKIN [I, T] › to rub your skin with your nails, often to stop it itching (= feeling unpleasant) : My skin was so itchy, I was scratching all night. He scratched his head.
HURT/DAMAGE [T] › to make a slight cut or long, thin mark with a sharp object: The surface was all scratched. I scratched myself on the roses.
RUB SURFACE [I, T] › to rub a hard surface with a sharp object, often making a noise: I could hear the cat scratching at the door.