Definition of rectum
: the terminal part of the intestine from the sigmoid colon to the anus
Recent Examples of rectum from the Web
Taormino also explains that some of the nerve endings in the rectum respond to pressure rather than massage.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rectum'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of rectum
Middle English, from Medieval Latin, from rectum intestinum, literally, straight intestine
First Known Use: 15th centurySee Words from the same year
RECTUM Defined for English Language Learners
Definition of rectum for English Language Learners
medical : the end of the tube in your body that helps digest food : the last part of the large intestine
RECTUM Defined for Kids
Definition of rectum for Students
: the last part of the large intestine
Seen and Heard
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