Scratch

A scratch is physical damage such as a groove in a physical surface such as a painted or unpainted surface, or the skin.
The Scratch Orchestra was founded by Cornelius Cardew.
"Scratch" is the nickname of influential Jamaican recording artist Lee "Scratch" Perry.
Scratching is the technique of moving a vinyl record back and forth with your hand while it is playing on a turntable.
Scratches is a mystery adventure computer game by Nucleosys
Scratch is the name of a documentary film about disc jockeys and hip-hop culture.
Scratch is a fictional robot who appeared in the TV show Adventures of Sonic the Hedgehog
Scratch is a term used in hacker jargon.
Scratch is a 1971 stage play by Archibald MacLeish.
"Old Scratch" is a colloquialism for Satan, as indicated by the name of the character in the Stephen Vincent Benét short story, "The Devil and Daniel Webster".
On scratch is the term used in handicap competitions for a player with no handicap or the maximum handicap (depending on the way the handicap is rendered), thus having to perform better than every other competitor to win.
A scratch is also an action which may either be done in violence or in response to an itch.
'Scratch' can also be used as a slang term for money.
Scratch can also mean to forget about or to move past.
Scratch Race - a race in which all contestant start from scratch (on equal terms).