Rasp

rasp
1. To rub or file with a rasp; to rub or grate with a rough file; as, to rasp wood to make it smooth; to rasp bones to powder.
2. Hence, figuratively: To grate harshly upon; to offend by coarse or rough treatment or language; as, some sounds rasp the ear; his insults rasped my temper.
Origin: OF. Rasper, F. Raper, to scrape, grate, rasp, fr. OHG. Raspon to scrape together, to collect, probably akin to E. Rap. Cf. Rap to snatch.
1. 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.
2. The raspberry. ”Set sorrel amongst rasps, and the rasps will be smaller.
(Science: botany)” Rasp palm, a Brazilian palm tree (Iriartea exorhiza) which has strong aerial roots like a screw pine. The roots have a hard, rough surface, and are used by the natives for graters and rasps, whence the common name.
Origin: OE. Raspe, OF. Raspe, F. Rape. See Rasp.