Black's Law Dictionary (2nd edition)dictionaries

Rasure

The act of scraping, scratch-lng, or shaving the surface of a written in-strument, for the purpose of removlng cer-tain letters or words from it It is to be dlstlngulshed from “obliteration,” as thelat-ter word properly denotes the crossing out of a word or letter by drawlng a llne through it with ink. But the two expressions are often used interchangeably. See Penny v. Corwithe, 18 Johns. (N. Y.) 499

Source: Black's Law Dictionary 2nd Ed (1910)