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noun Surgery.
  1. a thread or the like inserted beneath the skin to provide drainage or to guide subsequent passage of a tube.

Origin of seton

1350–1400; Middle English < Medieval Latin sētōn- (stem of sētō), equivalent to sēt(a) seta + -ōn- noun suffix


  1. Saint Elizabeth Ann (Bayley)Mother Seton, 1774–1821, U.S. educator, social-welfare reformer, and religious leader: first native-born American to be canonized (1975).
  2. Ernest Thompson,1860–1946, English writer and illustrator in the U.S.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for seton


  1. Ernest Thompson. 1860–1946, US author and illustrator of animal books, born in England
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

seton in Medicine


  1. Material such as thread, wire, or gauze that is passed through subcutaneous tissues or through a cyst in order to form a sinus or fistula.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.