Definition of: mesentery

(mes′ən·ter′ē) noun plural ·ter·ies Anat.
A fold of the peritoneum that invests an intestine and connects it with the abdominal wall; especially, the fold investing the small intestine. Also mes′en·te′ri·um (-tir′ē·əm). [<Med. L mesenterium <Gk. mesenterion <mesos middle + enteron intestine]
—mes′·en·ter′ic adjective