[f. FROT v. + -ING1.] The action of the vb. FROT in various senses.
a. 1225. Ancr. R., 284. Þe caliz þuruh so monie duntes & frotunges, to Godes biheue..so swuðe ueire afeited.
1387. Trevisa, Higden (Rolls), I. 417. Frotinge of iren and whestones þou schalt hire.
c. 1400. Lanfrancs Cirurg., 195. Froting wiþ squillis is good þerfore.
1853. C. Morfit, Tanning, etc., 157. The working, or frotting is solely to remove the wrinkles and stiffness of the dry skins.