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.
Scientists estimate there may be thousands of different species working together inside your digestive system. Ryan Brennan, Sacbee.com, 15 May 2026 Top food for gastrointestinal maintenance This blend is for dogs with a delicate digestive system, designed for easy digestion and to boost intestinal health. Bestreviews, Mercury News, 14 May 2026 No one knew how deep into his digestive system the gill net might have gone. Jessica Camille Aguirre, New Yorker, 2 May 2026 Other foods can keep your digestive system healthy and help your body absorb nutrients. Julie Pollock, The Conversation, 1 May 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

Browse Nearby Words

Cite this Entry

“Digestive system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/digestive%20system. Accessed 21 May. 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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster