Definition of scratching in English:

noun

• 1The action or fact of marking a surface with a sharp or pointed object.

  ‘a screen protector prevents any scratching of the display’

  1. 1.1 The action of rubbing a part of one's body with one's fingernails.
     ‘scratching temporarily relieves an itch but it often makes a skin problem worse’

• 2The action or sound of something being scraped over a hard surface.

  ‘there was near silence but for the scratching of pen on paper’

• 3The action of playing a record using the scratch technique.

  ‘the practices of rap and scratching’

  See scratch (sense 2 of the noun)