Definition of "Scratch" :
noun: an indication of damage
noun: (golf) a handicap of zero strokes
"A golfer who plays at scratch should be able to achieve par on a course."
noun: poor handwriting
noun: a harsh noise made by scraping
noun: dry mash for poultry
noun: a line indicating the location of the start of a race or a game
noun: a competitor who has withdrawn from competition
noun: informal terms for money
noun: a depression scratched or carved into a surface
noun: an abraded area where the skin is torn or worn off
verb: cause friction
"My sweater scratches."
verb: cut the surface of; wear away the surface of
verb: carve, cut, or etch into a material or surface
"The lovers scratched their names into the bark of the tree."
verb: gather (money or other resources) together over time
"They scratched a meager living."
verb: remove by erasing or crossing out or as if by drawing a line
"Scratch that remark."
verb: scrape or rub as if to relieve itching
"Don't scratch your insect bites!."
verb: postpone indefinitely or annul something that was scheduled
"Scratch that meeting--the chair is ill."