Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun peritoneum

1 sense of peritoneum

Sense 1
peritoneum -- (a transparent membrane that lines the abdominal cavity in mammals and covers most of the viscera)
       => serous membrane, serosa -- (a thin membrane lining the closed cavities of the body; has two layers with a space between that is filled with serous fluid)