Ra"sure (?; 135), n. [L. rasura, fr. radere, rasum, to scrape, to shave. See Rase, v.]
1.
The act of rasing, scraping, or erasing; erasure; obliteration.
2.
A mark by which a letter, word, or any part of a writing or print, is erased, effaced, or obliterated; an erasure.
Ayliffe.
© Webster 1913.