Simple Definition of rectum

from our Learner's Dictionary

rectum

noun

plural rectums
medical : the end of the tube in your body that helps digest food : the last part of the large intestine

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“Rectum.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/rectum. Accessed 8 Apr. 2026.

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