the world > animals > mammals > group Ungulata (hoofed) > group Ruminantia (sheep, goats, cows, etc.) > male > [noun] > body and parts > antler > skin covering > action of rubbing off (6)
Of a deer: The action of fray, v.1 Also that which is rubbed off in fraying; ‘peel’.
transferred. Of deer. Cf. burnish, v.1 3.