Definition from Wiktionary, the free dictionary
seton (plural setons)
- (medicine, agriculture) A few silk threads or horsehairs, or a strip of linen or the like, introduced beneath the skin by a knife or needle, so as to form an issue; also, the issue so formed.
1904, Gustave Flaubert, Over Strand and Field:
- The animal was lean and tall, and had a moth-eaten mane, rough hoofs and loose shoes; a seton bobbed up and down on its breast.