seton noun & verb. ['si:t(ǝ)n] LME.
[medieval Latin seto(n)-, app. from Latin seta bristle, (in medieval Latin also) silk.]
Surgery (now chiefly Hist.).
A. noun.
1. A thread, piece of tape, etc., drawn through a fold of skin to maintain an opening for discharges, or drawn through a sinus or cavity to keep it from healing up. LME.

2. The opening thus formed. L16.
b. verb intrans. Apply a seton. rare. M16.

[TahlilGaran] English Dictionary ▲