Rasp meaning : A coarse file, on which the cutting prominences are distinct points raised by the oblique stroke of a sharp punch, instead of lines raised by a chisel, as on the true file. The sound made by this tool when used, or any similar sound. To use a rasp. To make a noise similar to the one a rasp makes in use; to utter rasps. To work something with a rasp. To grate harshly upon; to offend by coarse or rough treatment or language.