Artificial intelligent assistant

pole-rivet

pole-ˈrivet Obs.
  [f. pole (?) + rivet n.2, bearded wheat: the meaning of the first element is obscure.]
  Bearded wheat.

1707 Mortimer Husb. 98 'Tis much sown in Essex upon their Hazelly Brick-earths or Loams, as the Red-wheat and the Pole-rivet or Bearded-wheat is there.

Oxford English Dictionary

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