† beˈstourn,v.Obs. [a. OF.bestourne-r, f.bes- pejorative + tourner to turn.] trans. To turn upside down, overthrow. 1483Caxton G. de la Tour cxlii, Toke reason fro us, and bestourned our wytte.Ibid. E iv b, The stenche of it..bestorrneth [Fr.bestourne] all the ordre of nature.