† ˈerratile,a.Obs.rare. [ad. L. errātilis, f.errāre.] a. Of a star: Wandering. b. Erroneous, mistaken. 1652Gaule Magastrom. 66 To..note all the stars (both fixed and erratile) under which one is born, and that with⁓out any errour or erratile apprehension in himself.