Definition of seton in English:

seton

noun

Medicine
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.

    • ‘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.’

Origin

Late Middle English: from medieval Latin seto(n-), apparently from Latin seta ‘bristle’.

Pronunciation

seton

/ˈsiːt(ə)n/