WordReference Random House Unabridged Dictionary of American English © 2026
mes•o•rec•tum
(mez′ə rek′təm, mes′-, mē′zə-, -sə-),USA pronunciation n., pl. -tums, -ta (-tə).USA pronunciation [Anat.]
- Anatomythe mesentery of the rectum.
- meso- + rectum 1825–35