nounMedicine , historical
A skein of cotton or other absorbent material passed below the skin and left with the ends protruding, to promote drainage of fluid or to act as a counterirritant.
More example sentences
- In addition to simple fistulotomy, treatments include cutting or draining setons, endo-anal mucosal advancement flaps, sliding cutaneous advancement flaps, fistulectomy with muscle repair and fibrin glue injection.
Definition of seton in:
- The US English dictionary