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.
Jay just gets bumped from one squishy chamber of viscous lumps to another, fighting like hell to avoid following his squid adversary through a puckering hole and deeper into the digestive system, where the air turns into methane. — David Rooney, HollywoodReporter, 14 Oct. 2026 One was a zinc protease used in a crayfish’s digestive system. — ArsTechnica, 14 Oct. 2026 The lungs process substances differently from the digestive system, and the health effects of chronic inhalation of propylene glycol through e-cigarette aerosol remain incompletely understood. — Emma Fenske, The Conversation, 13 Oct. 2026 BioLife is developing an effervescent oral technology designed to help peptides absorb through the digestive system. — Samantha Agate, Kansas City Star, 8 Oct. 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 17 Oct. 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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