Bible Dictionaries
Peritoneum

Webster's Dictionary

(n.) The smooth serous membrane which lines the cavity of the abdomen, or the whole body cavity when there is no diaphragm, and, turning back, surrounds the viscera, forming a closed, or nearly closed, sac.

Bibliography Information
Webster, Noah. Entry for 'Peritoneum'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/peritoneum.html. 1828.