scratcher

Short definition from Wiktionary

Noun

1. 1
   Someone who scratches.
2. 2
   A piece of equipment used to scratch part of the body to relieve an itch.
3. 3
   An item made of shreddable material (carpet, corrugated cardboard, etc.) designed to be scratched, usually by pet cats
4. 4
   A scratch card.
5. 5
   A bed.
6. 6
   Any rasorial bird.
7. 7
   A counterfeiter.
8. 8
   An unlicensed tattoo artist.
9. 9
   A device for cleaning mud etc. from a wellbore.
10. 10
    A user of the Scratch visual programming language.