Source : Webster's Revised Unabridged Dictionary (1913)
Mesentery \Mes"en*ter*y\ (?; 277), n. [Gr. ?, ? + ? intestine:
cf. F. m['e]sent[`e]re.]
1. (Anat.) The membranes, or one of the membranes (consisting
of a fold of the peritoneum and inclosed tissues), which
connect the intestines and their appendages with the
dorsal wall of the abdominal cavity. The mesentery proper
is connected with the jejunum and ilium, the other
mesenteries being called mesoc[ae]cum, mesocolon,
mesorectum, etc.
2. (Zo["o]l.) One of the vertical muscular radiating
partitions which divide the body cavity of Anthozoa into
chambers.
Source : WordNet®
mesentery
n : a double layer of peritoneum that attaches to the back wall
of the abdominal cavity and supports the small intestines