Rectum

n.

1.

(Anat.) The terminal part of the large intestine; - so named because supposed by the old anatomists to be straight. See Illust. under Digestive.

Noun

1.

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

Pronunciation: (REK-tum)

The lower end of the large intestine, leading to the anus.

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