obvolution noun. 
[ɒbvǝ'lu:ʃ(ǝ)n] rare. 
L16.[Latin obvolutio(n-), from obvolut- pa. ppl stem of obvolvere: see OBVOLVE.]Formerly, a fold, twist, or turn of something coiled. Now, the wrapping or folding of a bandage round a limb. 
 [TahlilGaran] English Dictionary ▲