bowel movement

noun

plural bowel movements
: an act of passing usually solid waste through the rectum and anus
He had a two-day history of right lower abdominal pain … without bowel movements.William W. Scott, Jr. et al.
also : fecal matter expelled at one passage : stool sense 3a
Cats get infected from contact with other cats' bowel movements or by predation. Donald Caslow

Examples of bowel movement in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Chia seeds are rich in soluble fiber, which can help keep bowel movements regular. Kathleen Ferraro, Verywell Health, 7 Aug. 2026 Cyclospora cayetanensis is a tough microscopic parasite that can give you watery diarrhea and frequent bowel movements. Stephen J. Beard, USA Today, 4 Aug. 2026 The fiber in kiwis is especially good at absorbing and retaining water, which can help soften stool and make bowel movements easier. Jillian Kubala, HEALTH, 4 Aug. 2026 Additionally, fiber is key for gut health, acting as a prebiotic that feeds beneficial gut bacteria and promotes regular bowel movements. Randi Gollin, Martha Stewart, 26 July 2026 See All Example Sentences for bowel movement

Word History

First Known Use

1870, in the meaning defined above

Time Traveler
The first known use of bowel movement was in 1870

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Cite this Entry

“Bowel movement.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bowel%20movement. Accessed 17 Aug. 2026.

Kids Definition

bowel movement

noun
: an act of passing usually solid waste through the rectum and anus
also : fecal matter expelled at one passage : stool

Medical Definition

bowel movement

noun
: an act of passing usually solid waste through the rectum and anus
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