a combining form used in the names of surgical operations that involve the establishment of an artificial opening into or between the part or parts specified by the initial element: gastrostomy.
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British Dictionary definitions for -stomy
n combining form
indicating a surgical operation performed to make an artificial opening into or for a specified partcytostomy
Word Origin for -stomy
from Greek -stomia, from stoma mouth
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
Medicine definitions for -stomy
A surgical operation in which an artificial opening is made into an organ or part:colostomy.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.