Merriam-Webster's Collegiate® Dictionary, 11th Edition
RASP
I. verb
Etymology: Middle English, from Anglo-French *rasper, of Germanic origin; akin to Old High German raspōn to scrape together
Date: 14th century
transitive verb to rub with something rough, to grate upon ; irritate , to utter in a raspy tone, intransitive verb scrape , to produce a grating sound, rasper noun raspingly adverb
II. noun
Date: circa 1512
a coarse file with cutting points instead of lines, something used for rasping,
3. an act of rasping, a rasping sound, sensation, or effect