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English definition of “peritoneum”

peritoneum

noun [singular] uk   /ˌper.ɪ.təˈniː.əm/ us    /ˌper.ɪ.t̬əˈniː.əm/ specialized
a double layer of tissue that lines the walls of the abdomen and pelvis and surrounds the organs they contain: The inner surface of the peritoneum is slippery and allows the intestines to move against the wall of the abdomen.
(Definition of peritoneum from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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