1.To rub over the surface of (something) with a sharp or rough instrument; to rub over with something that roughens by removing portions of the surface; to grate harshly over; to abrade; to make even, or bring to a required condition or form, by moving the sharp edge of an instrument breadthwise over the surface with pressure, cutting away excesses and superfluous parts; to make smooth or clean; as, to scrape a bone with a knife; to scrape a metal plate to an even surface.
2.To remove by rubbing or scraping (in the sense above). "I will also scrape her dust from her, and make her like the top of a rock."
3.To collect by, or as by, a process of scraping; to gather in small portions by laborious effort; hence, to acquire avariciously and save penuriously; often followed by together or up; as, to scrape money together. "The prelatical party complained that, to swell a number the nonconformists did not choose, but scrape, subscribers."
4.To express disapprobation of, as a play, or to silence, as a speaker, by drawing the feet back and forth upon the floor; usually with down.