os·​to·​my | \ ˈä-stə-mē How to pronounce ostomy (audio) \
plural ostomies

Definition of ostomy

: an operation (such as a colostomy) to create an artificial passage for bodily elimination

Examples of ostomy in a Sentence

Recent Examples on the Web Each year, about 100,000 ostomy surgeries are performed. Colleen Murphy, Health.com, 29 Nov. 2021 An ostomy that redirects urine is called a urostomy. Colleen Murphy, Health.com, 29 Nov. 2021 So Chief Navy Counselor Grant Khanbalinov lay still, alone in his bed all day, hoping his ostomy bag wouldn’t burst while his wife was at work, managing a dental office in Virginia. Washington Post, 22 Nov. 2021 Twinley regularly shares positive messages and photos on Instagram of herself in lingerie to try to normalize ostomy bags. Korin Miller, Health.com, 4 Oct. 2021 American Eagle Outfitters' Aerie brand is selling camouflage-print ostomy covers and hot pink insulin pump belts. Washington Post, 6 Aug. 2021 Over the next eight years, Rogers watched his aunt go from being bedridden, to needing an ostomy bag, to developing enough strength to live on her own again, to finally having the cancer spread to her brain. Nicholas St. Fleur, STAT, 22 June 2021 The ostomy is only temporary, lasting from three to six months, according to the Cleveland Clinic. Natasha Lavender, SELF, 14 Apr. 2021 Ordering ostomy bags before your operation is useful. Natasha Lavender, SELF, 14 Apr. 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ostomy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of ostomy

1957, in the meaning defined above

History and Etymology for ostomy


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Cite this Entry

“Ostomy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ostomy. Accessed 18 May. 2022.

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More Definitions for ostomy


os·​to·​my | \ ˈäs-tə-mē How to pronounce ostomy (audio) \
plural ostomies

Medical Definition of ostomy

: an operation (as a colostomy, ileostomy, or urostomy) to create an artificial passage for bodily elimination

More from Merriam-Webster on ostomy

Britannica.com: Encyclopedia article about ostomy


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