Obs. rare. [Cf. prec. and TIRL v.2 and v.3] trans. To lay open by rolling or turning back the covering. Also intr. for refl.
1523. Fitzherb., Husb., § 55. Take bothe your handes, and twyrle vpon [read open] his [the sheep’s] eye, and if he be ruddy, and haue reed stryndes, in the white of the eye, than he is sounde. Ibid., § 68. Her shap … wyll twyrle open, and close agayne.
