Cite
 

Meaning of ostomy

os•to•my

Pronunciation: (os'tu-mē), [key]
— pl. -mies.
  1. any of various surgical procedures, as a colostomy, in which an artificial opening is made so as to permit the drainage of waste products either into an appropriate organ or to the outside of the body.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: