to deprive of or free from an outer layer, adhering matter, etc., or to smooth by drawing or rubbing something, especially a sharp or rough instrument, over the surface: to scrape a table to remove paint and varnish.
to remove (an outer layer, adhering matter, etc.) in this way: to scrape the paint and varnish from a table.
to scratch, injure, or mar the surface of in this way: to scrape one's arm on a rough wall.
to produce by scraping: He scraped his initials on the rock.
to collect or do by or as if by scraping; do or gather laboriously or with difficulty (usually followed by up or together): They managed to scrape together a football team.