A tool with a rough blade, used for shaping wood or metal. (Cambridge Dictionary)
To make a rough unpleasant sound, especially while breathing or speaking. (Cambridge Dictionary)
If someone rasps, their voice or breathing is harsh and unpleasant to listen to. (Collins Dictionary)
To rub with something rough. (Merriam – Webster)
A harsh, grating noise. (Oxford Dictionaries)
A coarse file or similar metal tool for scraping, filing, or rubbing down objects of metal, wood, or other hard material. (Oxford Dictionaries)
Bellota Horse Hoof Rasp for Farriers.