ˌ ̷ ̷ ̷ ̷ˈgastrēəm noun
( plural mesogas·tria -ēə)
Etymology: New Latin, from mes- + gastr- + -ium
1. : a ventral mesentery of the embryonic stomach that persists as the falciform ligament and the lesser omentum
2. : a dorsal mesentery of the embryonic stomach that gives rise to ligaments between the stomach and spleen and the spleen and kidney