What is "rasp palm"

Rasp \Rasp\, n. [OE. raspe, OF. raspe, F. r[^a]pe. See Rasp, v.]

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. [Obs.] ``Set sorrel amongst rasps, and the rasps will be the smaller.''
   --Bacon.

   Rasp palm (Bot.), a Brazilian palm tree ( Iriartea exorhiza) which has strong a["e]rial 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.

n. A Brazilian palm tree ((taxlink Iriartea exorhiza species noshow=1)) 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.