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 That’s because their tumors commonly develop in the last portion of the colon or in the rectum—or near the exit door. Amy Norton, SELF, 24 Sep. 2024 In the work, a team of Japanese scientists concluded that mice, rats and pigs can absorb oxygen through the rectum—a seemingly odd finding that holds implications for treating respiratory failure. Margherita Bassi, Smithsonian Magazine, 18 Sep. 2024 Rectal cancer is cancer that originates in the tissues of the rectum. Corey Whelan, Verywell Health, 15 Aug. 2024 In stage 2a, cancerous cells have spread into the outermost rectum wall layer (serosa).3 At this point in the cancer's progression, there is no spread outside of the rectum wall. Corey Whelan, Verywell Health, 15 Aug. 2024 See all Example Sentences for rectum 

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 4 Oct. 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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