What is the meaning of scraping?

noun

• Usually plural. ( a fragment scraped off of something and collected)
  • usage: "they collected blood scrapings for analysis"
• A harsh noise made by scraping.
  • usage: "the scrape of violin bows distracted her"
  • synonyms: scrape, scratch, scratching
• A deep bow with the foot drawn backwards (indicating excessive humility. )
  • usage: "all that bowing and scraping did not impress him"
  • synonyms: scrape

verb

• Scratch repeatedly.
  • usage: "The cat scraped at the armchair"
  • synonyms: scrape, grate
• Make by scraping.
  • usage: "They scraped a letter into the stone"
  • synonyms: scrape
• Cut the surface of; wear away the surface of.
  • synonyms: scratch, scrape, scratch up
• Bend the knees and bow in a servile manner.
  • synonyms: scrape, kowtow, genuflect
• Gather (money or other resources) together over time.
  • usage: "She had scraped together enough money for college"; "they scratched a meager living"
  • synonyms: scrape, scrape up, scratch, come up
• Bruise, cut, or injure the skin or the surface of.
  • usage: "The boy skinned his knee when he fell"
  • synonyms: skin, scrape