Rasp palm

from The Collaborative International Dictionary of English v.0.48
Rasp \Rasp\, n. [OE. raspe, OF. raspe, F. r[^a]pe. See {Rasp},
   v.]
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   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.
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   2. The raspberry. [Obs.] "Set sorrel amongst rasps, and the
      rasps will be the smaller." --Bacon.
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   {Rasp palm} (Bot.), 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.
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