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
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.
To monitor Ham while in orbit, a number of sensors were attached to him, including a rectal thermometer probe that was inserted about 8 inches into his rectum, according to a report published after the research. Jeanine Santucci, USA TODAY, 31 Jan. 2025 Brian, a young male bonobo located at the Milwaukee Zoo who was isolated from his peers reportedly responded by tearing off his own fingernails and developing a habit of compulsively inserting his hand into his rectum, sometimes enough to draw blood. Mack Degeurin, Popular Science, 15 Jan. 2025 The disease can affect the colon and rectum and can weaken the body, leading to possible life-threatening complications. Ingrid Vasquez, People.com, 17 Jan. 2025 Try an enema: An enema can be used to loosen stool in the rectum for occasional relief. Julie Marks, Verywell Health, 28 Nov. 2024 See all Example Sentences for rectum 

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 13 Feb. 2025.

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

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