digestive system

noun

: the bodily system concerned with the ingestion, digestion, and absorption of food and the discharge of residual wastes and consisting of the digestive tract and accessory glands (such as the salivary glands and the pancreas) that secrete digestive enzymes

Examples of digestive system 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.
The fruit upsets their digestive systems. Graham Womack, Sacbee.com, 7 June 2026 The gut microbiome is a continuously working ecosystem of various microbes inside your digestive system. Melissa Kravitz Hoeffner, Martha Stewart, 6 June 2026 Gradually adding more fiber and drinking enough water can help the digestive system adjust more comfortably. Brianna Tobritzhofer, Health, 4 June 2026 Adrenaline speeds up peristalsis, the contractions and constrictions of the intestines, while blood is diverted from the digestive system, which can cause nausea. Charlotte Harpur, New York Times, 3 June 2026 See All Example Sentences for digestive system

Word History

First Known Use

1790, in the meaning defined above

Time Traveler
The first known use of digestive system was in 1790

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Cite this Entry

“Digestive system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/digestive%20system. Accessed 9 Jun. 2026.

Kids Definition

digestive system

noun
: the bodily system concerned with the intake, breakdown, and absorption of food and the discharge of wastes and that includes the mouth, pharynx, esophagus, stomach, intestine, anus, and glands (as the salivary glands)

Medical Definition

digestive system

noun
: the bodily system concerned with the ingestion, digestion, and absorption of food and the discharge of residual wastes and consisting of the digestive tract and accessory glands (such as the salivary glands and the pancreas) that secrete digestive enzymes

called also alimentary system

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