Webster's Revised Unabridged Dictionary · 1913

Mesogastric

Mesogastric , adjective

[Meso- + gastric.]

1.
(a) (Anatomy) Of or pertaining to the middle region of the abdomen, or of the stomach.
(b)
(Anatomy) Of or pertaining to the mesogaster.
2.
(Zoology) Of or pertaining to the middle gastric lobe of the carapace of a crab.