rectum(redirected from rectums)
Also found in: Dictionary, Thesaurus, Medical.
muscular hoselike portion of the gastrointestinal tract extending from the lower end of the stomach (pylorus) to the anal opening. In humans this fairly narrow (about 1 in./2.
..... Click the link for more information. .
The portion of the large intestine between the sigmoid flexure and the anus.
the lower part of the alimentary canal, between the sigmoid flexure of the colon and the anus