defecation
noun
def·e·ca·tion
ˌde-fi-ˈkā-shən 
1
: the discharge of solid waste from the anus : the act or process of defecating
To meet the clinical definition of IBS [irritable bowel syndrome], you must have had 12 weeks … of abdominal pain or discomfort within the past year, associated with relief with defecation and a change in the form or frequency of stool.—
Food and Fitness Advisor
Food and Fitness Advisor2
: feces, excrement
At first it was believable because, as Gov. Mario Cuomo said at the outset, "She's covered with defecation, her hair is shorn … "—Ellen Goodman
Ellen GoodmanWilliam Allen Livingston lost several ounces of urine and defecation when the fusillade of .38 caliber and .00 buckshot devastated him …—Joseph Wambaugh
Joseph WambaughExamples of defecation in a Sentence
Recent Examples on the Web
Just look away during all the vomit and defecation gags.
—Kelly Lawler, USA Today, 12 June 2025
In addition, the vast numbers create a significant and unacceptable public health issue due to defecation and urination.
—Letters To The Editor, San Diego Union-Tribune, 9 June 2025
One was public defecation, a major cause of disease throughout India.
—Andrew Marantz, New Yorker, 28 Apr. 2025
These are not 911 calls, but 311 calls. And don’t forget about public urination and defecation (see our editorial from last week about the need for many more public toilets).
—New York Daily News Editorial Board, New York Daily News, 16 Apr. 2025
See All Example Sentences for defecation
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Kelly Lawler, USA Today, 12 June 2025
In addition, the vast numbers create a significant and unacceptable public health issue due to defecation and urination.
—Letters To The Editor, San Diego Union-Tribune, 9 June 2025
One was public defecation, a major cause of disease throughout India.
—Andrew Marantz, New Yorker, 28 Apr. 2025
These are not 911 calls, but 311 calls. And don’t forget about public urination and defecation (see our editorial from last week about the need for many more public toilets).
—New York Daily News Editorial Board, New York Daily News, 16 Apr. 2025
See All Example Sentences for defecation
Cite this Entry
“Defecation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/defecation. Accessed 15 Jul. 2025.
Copy CitationMedical Definition
defecation
noun
def·e·ca·tion
variants
or chiefly British defaecation
: discharge of feces
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