mes·en·ter·y 
(mĕzən-tĕr′ē, mĕs-)
(mĕzən-tĕr′ē, mĕs-)n. pl. mes·en·ter·ies
Any of several folds of the peritoneum that connect the intestines to the dorsal abdominal wall, especially such a fold that envelops the jejunum and ileum.
[Middle English mesenterie, from Medieval Latin mesenterium, from Greek mesenterion : meso-, meso- + enterion, diminutive of enteron, entrails; see en in the Appendix of Indo-European roots.]
mes′en·teric adj.