scratcher

noun

1. Someone who scratches.
2. A piece of equipment used to scratch part of the body to relieve an itch.
3. An item made of shreddable material (carpet, corrugated cardboard, etc.) designed to be scratched, usually by pet cats.

   “Near-synonym: scratching post”

4. A scratch card.
5. (slang)A bedding place (e.g., mattress, bunk, hay bed, or bed).

   “Near-synonym: pallet”

6. Any rasorial bird.
7. (slang)A counterfeiter.

   ““I’m what they used to call a scratcher,” the Ukrainian said. “Dupes, counterfeits, identification. Turn wrong names right.””

8. (derogatory, slang)An unlicensed tattoo artist.
9. A device for cleaning mud etc. from a wellbore.
10. A user of the Scratch visual programming language.