To make a shallow mark or abrasion on a surface by scraping or grazing.
2.
Generalneutral
Used in combination with 'from' as in 'from scratch': to create or build something beginning with nothing or only the most basic ingredients or components.
3.
Nonstandard Englishinformal
A colloquial or erroneous variant of 'scrape by', meaning to manage to get by or survive with difficulty.