arenationMed.? Obs.|ærɪˈneɪʃən|[ad.L. arēnātiōn-em a sanding:cf.F. arénation.]Application of hot sand to the body as a remedy.1717Berkeley in FraserLife (1871) 587Arenation is good against leprosy.1751ChambersCycl.,Arenation..a kind of dry bath, in which the patient only sits with his feet on hot sand.