Quick definitions from WordNet (scratch)
▸ noun: an indication of damage
▸ noun: informal terms for money
▸ noun: poor handwriting
▸ noun: dry mash for poultry
▸ noun: a depression scratched or carved into a surface
▸ noun: an abraded area where the skin is torn or worn off
▸ noun: a harsh noise made by scraping
▸ verb: cut the surface of; wear away the surface of
▸ verb: scrape or rub as if to relieve itching ("Don't scratch your insect bites!")
▸ verb: cause friction ("My sweater scratches")
▸ Also see scratch
▸ noun: an indication of damage
▸ noun: informal terms for money
▸ noun: poor handwriting
▸ noun: dry mash for poultry
▸ noun: a depression scratched or carved into a surface
▸ noun: an abraded area where the skin is torn or worn off
▸ noun: a harsh noise made by scraping
▸ verb: cut the surface of; wear away the surface of
▸ verb: scrape or rub as if to relieve itching ("Don't scratch your insect bites!")
▸ verb: cause friction ("My sweater scratches")
▸ Also see scratch