Artificial intelligent assistant

pulverer

† ˈpulverer Obs. rare.
  [f. pulver v. + -er1.]
  A pulverizer, an instrument for pulverizing the soil.

1778 W. H. Marshall Minutes Agric., Digest 54 note, If used as a Pulverer and Compressor of fallows, this acting Bar ought to be set deeper.

Oxford English Dictionary

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