† pole-ˈrivetObs. [f.pole (?) + rivet n.2, bearded wheat: the meaning of the first element is obscure.] Bearded wheat. 1707Mortimer 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.