rectum

noun

rec·​tum ˈrek-təm How to pronounce rectum (audio)
plural rectums or recta ˈrek-tə How to pronounce rectum (audio)
: the terminal part of the intestine from the sigmoid colon to the anus

Examples of rectum in a Sentence

Recent Examples on the Web Heading this effort is the gut’s very own network of nerve cells, known as the enteric nervous system, which weaves through the intestinal walls from the esophagus down to the rectum. Yasemin Saplakoglu, WIRED, 14 Jan. 2024 Enlarge / Who doesn't thrill to the sight of a microscopic cross-section of a beetle's rectum? Jennifer Ouellette, Ars Technica, 27 Dec. 2023 But the red flour beetle's rectum is a model of ultra-efficiency in that regard. Jennifer Ouellette, Ars Technica, 27 Dec. 2023 One particular gene was expressed sixty times more in the rectum than any other. Jennifer Ouellette, Ars Technica, 27 Dec. 2023 Pain may extend to the testes, rectum, or lower abdomen. Dr. Roshini Raj, Health, 1 June 2023 The rectum is very near to the spine, so a tumor growing in this area would have been able to put enough pressure on the back to cause pain. Taylyn Washington-Harmon, Health, 16 Dec. 2023 Place the thermometer about half an inch into your infant or child's rectum, stopping if there's resistance. Leah Groth, Health, 20 Sep. 2023 This choice is a suppository, which means it is inserted into your child's rectum via a small applicator provided in the kit. Jenny Friedman, Ms, Parents, 3 Aug. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'rectum.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Middle English, from Medieval Latin, from rectum intestinum, literally, straight intestine

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of rectum was in the 15th century

Dictionary Entries Near rectum

Cite this Entry

“Rectum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rectum. Accessed 27 Feb. 2024.

Kids Definition

rectum

noun
rec·​tum ˈrek-təm How to pronounce rectum (audio)
plural rectums or recta -tə How to pronounce rectum (audio)
: the end of the large intestine that links the colon to the anus
rectal
-tᵊl
adjective

Medical Definition

rectum

noun
rec·​tum ˈrek-təm How to pronounce rectum (audio)
plural rectums or recta -tə How to pronounce rectum (audio)
: the terminal part of the intestine from the sigmoid colon to the anus

More from Merriam-Webster on rectum

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