[ kuh-los-tuh-mee ]
/ kəˈlɒs tə mi /

noun, plural co·los·to·mies. Surgery.

the construction of an artificial opening from the colon through the abdominal wall, thus bypassing a diseased portion of the lower intestine and permitting the passage of intestinal contents.
the opening so constructed.

Nearby words

  1. colosseum,
  2. colossian,
  3. colossians,
  4. colossus,
  5. colossus of rhodes,
  6. colostomy bag,
  7. colostrorrhea,
  8. colostrum,
  9. colotomy,
  10. colour

Origin of colostomy

First recorded in 1885–90; colo- + -stomy Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for colostomy

  • And, thanks to a host of women posting photos of themselves with their colostomy bags, the condition is shedding its stigma.

    The Brave Colostomy Bag Selfies|Charlotte Lytton|July 2, 2014|DAILY BEAST
  • But Castro nixed having a colostomy, perhaps out of pride, machismo, or hubris—or some combination of the three.

    The Day Castro Wept|A. L. Bardach|September 17, 2009|DAILY BEAST

British Dictionary definitions for colostomy


/ (kəˈlɒstəmɪ) /

noun plural -mies

the surgical formation of an opening from the colon onto the surface of the body, which functions as an anus
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

Word Origin and History for colostomy



1888, from colon (n.2) + Modern Latin -stoma "opening, orifice," from Greek stoma "opening, mouth" (see stoma).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for colostomy


[ kə-lŏstə-mē ]


Surgical construction of an artificial excretory opening from the colon.
The opening created by such a surgical procedure.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for colostomy


[ kə-lŏstə-mē ]

Surgical construction of an opening from the colon through the abdominal wall to the outside of the body for the purpose of excretion.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.