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rectum

rec·tum

UK/ˈɹɛktəm/ US/ˈɹɛkˌtʌm/ uncommon

noun

1.

the terminal section of the alimentary canal; from the sigmoid flexure to the anus

Origin

Borrowed from New Latin rectum, clipping of Latin rectum intestinum (literally “the straight intestine”), rectum, neuter of rectus (“straight”). See right.

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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.